Cita APA (7a ed.)

Tower, E. (1990). Development economics exams, puzzles and problems. Eno River Press.

Cita Chicago Style (17a ed.)

Tower, Edward. Development Economics Exams, Puzzles and Problems. Durham: Eno River Press, 1990.

Cita MLA (9a ed.)

Tower, Edward. Development Economics Exams, Puzzles and Problems. Eno River Press, 1990.