एपीए उद्धरण

Maskus, K. E. (1981). The changing structure of comparative advantage in American manufacturing. Ann Arbor- Michigan: Umi Research Press.

शिकागो स्टाइल उद्धरण

Maskus, Keith E. The Changing Structure of Comparative Advantage in American Manufacturing. Ann Arbor- Michigan: Umi Research Press, 1981.

एमएलए उद्धरण

Maskus, Keith E. The Changing Structure of Comparative Advantage in American Manufacturing. Ann Arbor- Michigan: Umi Research Press, 1981.