Cita APA (7th ed.)

Larson, L. C. (1983). Problem-solving through problems. Springer-Verlag.

Cita Chicago (17th ed.)

Larson, Loren C. Problem-solving Through Problems. New York: Springer-Verlag, 1983.

Cita MLA (8th ed.)

Larson, Loren C. Problem-solving Through Problems. Springer-Verlag, 1983.