APA

Toombs A., Snowdon R. & O'Reilly M. (1976). Particle-size distributions of debris produced during tunnelling trials. Crowthorne: Transport and Road Research Laboratory. Lab. report nr 714.

Chicago

Toombs AF, Snowdon RA and O'Reilly MP. 1976. Particle-size distributions of debris produced during tunnelling trials. Crowthorne: Transport and Road Research Laboratory. Lab. report nr 714.

Harvard

Toombs A., Snowdon R. and O'Reilly M. (1976). Particle-size distributions of debris produced during tunnelling trials. Crowthorne: Transport and Road Research Laboratory. Lab. report nr 714.

MLA

Toombs AF, Snowdon RA and O'Reilly MP. Particle-size distributions of debris produced during tunnelling trials. Crowthorne: Transport and Road Research Laboratory. Lab. report nr 714. 1976.