Cita APA (7th ed.)

Whitman, W. C., & Johnson, W. M. (1987). Refrigeration and Air Conditioning Technology. Cengage Learning.

Cita Chicago (17th ed.)

Whitman, William C., i William M. Johnson. Refrigeration and Air Conditioning Technology. New York: Cengage Learning, 1987.

Cita MLA (9th ed.)

Whitman, William C., i William M. Johnson. Refrigeration and Air Conditioning Technology. Cengage Learning, 1987.