Cita APA (7th ed.)

Legrand, B. (1984). Learning and applying APL. Wiley.

Cita Chicago (17th ed.)

Legrand, B. Learning and Applying APL. Chichester [Sussex] ; New York: Wiley, 1984.

Cita MLA (8th ed.)

Legrand, B. Learning and Applying APL. Wiley, 1984.