Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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