Cita APA

Christensen, H. B. (1977). Statistics step by step. Houghton.

Citación estilo Chicago

Christensen, Howard B. Statistics Step by Step. Atlanta: Houghton, 1977.

Cita MLA

Christensen, Howard B. Statistics Step by Step. Houghton, 1977.

Warning: These citations may not always be 100% accurate.