Hodges, J. C., & Whitten, M. E. Harbrace college handbook (9th ed.).
Cita Chicago (17th ed.)Hodges, John Cunyus, i Mary E. Whitten. Harbrace College Handbook. 9th ed.
Cita MLA (9th ed.)Hodges, John Cunyus, i Mary E. Whitten. Harbrace College Handbook. 9th ed.
Atenció: Aquestes cites poden no estar 100% correctes.