Cita APA (7th ed.)

Zimmerman, F. (1989). English for science. Prentice Hall Regents.

Cita Chicago (17th ed.)

Zimmerman, Fran. English for Science. Englewood Cliffs, N. J: Prentice Hall Regents, 1989.

Cita MLA (9th ed.)

Zimmerman, Fran. English for Science. Prentice Hall Regents, 1989.