APA

McLellan J., Hooper S., . (1978). A non-destructive method for determining the thickness of pavement layers. Crowthorne: Transport and Road Research Laboratory. Suppl. report nr 331.

Chicago

McLellan JC, Hooper SJ, . 1978. A non-destructive method for determining the thickness of pavement layers. Crowthorne: Transport and Road Research Laboratory. Suppl. report nr 331.

Harvard

McLellan J., Hooper S., . (1978). A non-destructive method for determining the thickness of pavement layers. Crowthorne: Transport and Road Research Laboratory. Suppl. report nr 331.

MLA

McLellan JC, Hooper SJ, . A non-destructive method for determining the thickness of pavement layers. Crowthorne: Transport and Road Research Laboratory. Suppl. report nr 331. 1978.