APA

Burkhardt J., . (1979). Planning rural public transportation systems. Bethesda, MD: Escometrics, Inc.

Chicago

Burkhardt JE, . 1979. Planning rural public transportation systems. Bethesda, MD: Escometrics, Inc.

Harvard

Burkhardt J., . (1979). Planning rural public transportation systems. Bethesda, MD: Escometrics, Inc.

MLA

Burkhardt JE, . Planning rural public transportation systems. Bethesda, MD: Escometrics, Inc. 1979.