Cita APA (7th ed.)
Daniel, J. (2012). Sampling essentials: Practical guidelines for making sampling choices. SAGE.
Cita Chicago (17th ed.)
Daniel, Johnnie. Sampling Essentials: Practical Guidelines for Making Sampling Choices. Los Angeles: SAGE, 2012.
Cita MLA (9th ed.)
Daniel, Johnnie. Sampling Essentials: Practical Guidelines for Making Sampling Choices. SAGE, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.