Παραπομπή APA

Tower, E. (1981). Development economics, exams puzzles & problems. Durham: Eno River Press.

Παραπομπή Chicago Style

Tower, Edward. Development Economics, Exams Puzzles & Problems. Durham: Eno River Press, 1981.

Παραπομπή MLA

Tower, Edward. Development Economics, Exams Puzzles & Problems. Durham: Eno River Press, 1981.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.