एपीए उद्धरण

Hillman,Jimmye S. (1978). Nontariff agricultural trade barriers. University of Nebraska Press.

शिकागो स्टाइल उद्धरण

Hillman,Jimmye S. Nontariff Agricultural Trade Barriers. London: University of Nebraska Press, 1978.

एमएलए उद्धरण

Hillman,Jimmye S. Nontariff Agricultural Trade Barriers. University of Nebraska Press, 1978.