Cita APA (7a ed.)

MacKay, R., & Palmer, J. D. (1981). Languages for specific purposes: Program design and evaluation. Newbury House.

Cita Chicago Style (17a ed.)

MacKay, Ronald, y Joe Darwin Palmer. Languages for Specific Purposes: Program Design and Evaluation. Rowley, Massachusetts [etc.]: Newbury House, 1981.

Cita MLA (9a ed.)

MacKay, Ronald, y Joe Darwin Palmer. Languages for Specific Purposes: Program Design and Evaluation. Newbury House, 1981.