Cita APA

Labovitz, S. a. H., & Hagedorn, R. (1971). Introduction To Research. Mcgraw-Hill Book Co..

Citación estilo Chicago

Labovitz, Sanford and Hagedorn, y Robert Hagedorn. Introduction To Research. New York: Mcgraw-Hill Book Co., 1971.

Cita MLA

Labovitz, Sanford and Hagedorn, y Robert Hagedorn. Introduction To Research. Mcgraw-Hill Book Co., 1971.