Patten, M. L. (2010). Proposing empirical research: A guide to the fundamentals (4th ed.). PyrcZak.
Cita Chicago (17th ed.)Patten, Mildred L. Proposing Empirical Research: A Guide to the Fundamentals. 4th ed. Glendale, CA: PyrcZak, 2010.
Cita MLA (9th ed.)Patten, Mildred L. Proposing Empirical Research: A Guide to the Fundamentals. 4th ed. PyrcZak, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.