Não informado. (1973). Irrigation Farmer Digest. Gardner Printing Publications.
Style de citation Chicago (17e éd.)Não informado. Irrigation Farmer Digest. Melbourne, Australia: Gardner Printing Publications, 1973.
Style de citation MLA (8e éd.)Não informado. Irrigation Farmer Digest. Gardner Printing Publications, 1973.
Attention : ces citations peuvent ne pas être correctes à 100%.