Cita APA (7th ed.)

Cassel, C., Sarndal, C. E., & Wretman, J. H. (1977). Foundations of inference in survey sampling: Claes-Magnus Cassel, Carl Erik Sarndal, Jan Hakan Wretman. Wiley.

Cita Chicago (17th ed.)

Cassel, Claes-Magnus, Carl Erik Sarndal, i Jan Hakan Wretman. Foundations of Inference in Survey Sampling: Claes-Magnus Cassel, Carl Erik Sarndal, Jan Hakan Wretman. New York: Wiley, 1977.

Cita MLA (9th ed.)

Cassel, Claes-Magnus, et al. Foundations of Inference in Survey Sampling: Claes-Magnus Cassel, Carl Erik Sarndal, Jan Hakan Wretman. Wiley, 1977.