APA (7e ed.) Bronvermelding

Ayres, Q. C. (1939). Land drainage and reclamation (2a. ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Ayres, Quincy Claude. Land Drainage and Reclamation. 2a. ed. Nueva York: McGraw-Hill, 1939.

MLA (9e ed.) Bronvermelding

Ayres, Quincy Claude. Land Drainage and Reclamation. 2a. ed. McGraw-Hill, 1939.