Styl cytowania APA

Layard, P. R. G., & Walters, A. A. (1978). Microeconomic theory. Mc Graw Hill.

Styl cytowania Chicago

Layard, P. R. G., i A. A. Walters. Microeconomic Theory. New York: Mc Graw Hill, 1978.

Styl cytowania MLA

Layard, P. R. G., i A. A. Walters. Microeconomic Theory. Mc Graw Hill, 1978.