Cita APA (7th ed.)
Rolf, H. (1982). Instructor's manual to accompany mathematics. Allyn and Bacon.
Cita Chicago (17th ed.)
Rolf, Howard. Instructor's Manual to Accompany Mathematics. Boston: Allyn and Bacon, 1982.
Cita MLA (9th ed.)
Rolf, Howard. Instructor's Manual to Accompany Mathematics. Allyn and Bacon, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.