APA

Johnston R., . (1978). Optimisation of the selective competitive tendering system by the construction client. Crowthorne: Transport and Road Research Laboratory. Lab. report nr 855.

Chicago

Johnston RH, . 1978. Optimisation of the selective competitive tendering system by the construction client. Crowthorne: Transport and Road Research Laboratory. Lab. report nr 855.

Harvard

Johnston R., . (1978). Optimisation of the selective competitive tendering system by the construction client. Crowthorne: Transport and Road Research Laboratory. Lab. report nr 855.

MLA

Johnston RH, . Optimisation of the selective competitive tendering system by the construction client. Crowthorne: Transport and Road Research Laboratory. Lab. report nr 855. 1978.