Cita APA (7th ed.)

Ingersoll, R. J. (1988). The enrollment problem: Proven management techniques / Ronald J. Ingersoll.

Cita Chicago (17th ed.)

Ingersoll, Ronald J. The Enrollment Problem: Proven Management Techniques / Ronald J. Ingersoll. New York : American Council on Education, 1988.

Cita MLA (9th ed.)

Ingersoll, Ronald J. The Enrollment Problem: Proven Management Techniques / Ronald J. Ingersoll. 1988.