Citazione Stile APA (7a Edizione)

Enders, W., & Lapan, H. E. (1987). International economics: Theory and policy. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Enders, Walter, e Harvey E. Lapan. International Economics: Theory and Policy. Englewood Cliffs, N.J: Prentice-Hall, 1987.

Citatione MLA (9a ed.)

Enders, Walter, e Harvey E. Lapan. International Economics: Theory and Policy. Prentice-Hall, 1987.