Não informado. (1973). Irrigation Farmer Digest. Gardner Printing Publications.
Chicagoスタイル(17版)引用形式Não informado. Irrigation Farmer Digest. Melbourne, Australia: Gardner Printing Publications, 1973.
MLA(8版)引用形式Não informado. Irrigation Farmer Digest. Gardner Printing Publications, 1973.
警告: この引用は必ずしも正確ではありません.