Cita APA (7th ed.)
Hamper, R. J., & Baugh, S. L. (2011). Handbook for writing proposals (2nd.). McGraw Hill.
Cita Chicago (17th ed.)
Hamper, Robert J., i Sue L. Baugh. Handbook for Writing Proposals. 2nd. United States: McGraw Hill, 2011.
Cita MLA (9th ed.)
Hamper, Robert J., i Sue L. Baugh. Handbook for Writing Proposals. 2nd. McGraw Hill, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.