APA

Republica Federativa do Brasil, Ministerio dos Transportes & United Nations Development Programme [UNDP]. (1981). Research on the interrelationships between costs of highway construction, maintenance and utilization. Final report. Volume 1-12. Brasilia: Republica Federativa do Brasil.

Chicago

Republica Federativa do Brasil, Ministerio dos Transportes and United Nations Development Programme [UNDP]. 1981. Research on the interrelationships between costs of highway construction, maintenance and utilization. Final report. Volume 1-12. Brasilia: Republica Federativa do Brasil.

Harvard

Republica Federativa do Brasil, Ministerio dos Transportes and United Nations Development Programme [UNDP]. (1981). Research on the interrelationships between costs of highway construction, maintenance and utilization. Final report. Volume 1-12. Brasilia: Republica Federativa do Brasil.

MLA

Republica Federativa do Brasil, Ministerio dos Transportes and United Nations Development Programme [UNDP]. Research on the interrelationships between costs of highway construction, maintenance and utilization. Final report. Volume 1-12. Brasilia: Republica Federativa do Brasil. 1981.