Tohutoro APA (7th ed.)
Richardson, H. W., & Mayo, R. S. (1941). Practical Tunnel Driving. McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)
Richardson, Harold W., me Robert S. Mayo. Practical Tunnel Driving. New York, London: McGraw-Hill, 1941.
Tohutoro MLA (9th ed.)
Richardson, Harold W., me Robert S. Mayo. Practical Tunnel Driving. McGraw-Hill, 1941.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.