APA aipamena

Helmstadter, G. C. (1970). Research Concepts In Human Behavior: Education, Pshchology, Sociology. Appleton - Century - Crofts.

Chicago Style aipamena

Helmstadter, G C. Research Concepts In Human Behavior: Education, Pshchology, Sociology. New York: Appleton - Century - Crofts, 1970.

MLA aipamena

Helmstadter, G C. Research Concepts In Human Behavior: Education, Pshchology, Sociology. Appleton - Century - Crofts, 1970.