Cita APA

Laffer II, W. B. (1968). Mathematics for general education. California: Dickenson Publishing company.

Chicago Style Citation

Laffer II, Walter B. Mathematics for General Education. California: Dickenson Publishing company, 1968.

Cita MLA

Laffer II, Walter B. Mathematics for General Education. California: Dickenson Publishing company, 1968.

Atenció: Aquestes cites poden no estar 100% correctes.