Cita APA (7a ed.)
Norton-Griffiths, M. (1981). Unstratified systematic sampling: Rationale and method. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Norton-Griffiths, M. Unstratified Systematic Sampling: Rationale and Method. International Livestock Centre for Africa, 1981.
Cita MLA (9a ed.)
Norton-Griffiths, M. Unstratified Systematic Sampling: Rationale and Method. International Livestock Centre for Africa, 1981.
Precaución: Estas citas no son 100% exactas.