Cita APA (7th ed.)
Ehrlich, E., & Murphy, D. (1967). Basic grammar for writing. McGraw-Hill co..
Cita Chicago (17th ed.)
Ehrlich, Eugene, i Daniel Murphy. Basic Grammar for Writing. New York: McGraw-Hill co., 1967.
Cita MLA (9th ed.)
Ehrlich, Eugene, i Daniel Murphy. Basic Grammar for Writing. McGraw-Hill co., 1967.
Atenció: Aquestes cites poden no estar 100% correctes.