Cita APA

Williams, W. H. 1., & Williams, W. H. 1. (1978). A Sampler on sampling. New York, New York: Willey.

Citación estilo Chicago

Williams, William Howard 1931-, y William Howard 1931- Williams. A Sampler On Sampling. New York, New York: Willey, 1978.

Cita MLA

Williams, William Howard 1931-, y William Howard 1931- Williams. A Sampler On Sampling. New York, New York: Willey, 1978.