Παραπομπή σε μορφή APA (7η εκδ.)

Tower, E. (1985). Macro and monetary economics exams, puzzles and problems. Eno River Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Tower, Edward. Macro and Monetary Economics Exams, Puzzles and Problems. Durham, N.C.: Eno River Press, 1985.

Παραπομπή σε μορφή MLA (9th εκδ.)

Tower, Edward. Macro and Monetary Economics Exams, Puzzles and Problems. Eno River Press, 1985.