APA-referens (7:e uppl.)

Young, P., & Schmid, C. F. (1966). Scientific social surveys and research: An introduction to the background, content, methods, principles and analysis of social studies (4th ed.). Prentice-Hall ; Prentice-Hall.

Chicago-referens (17:e uppl.)

Young, Pauline, och Calvin Fisher Schmid. Scientific Social Surveys and Research: An Introduction to the Background, Content, Methods, Principles and Analysis of Social Studies. 4th ed. Englewood Cliffs, N.J. : New Delhi: Prentice-Hall ; Prentice-Hall, 1966.

MLA-referens (8:e uppl.)

Young, Pauline, och Calvin Fisher Schmid. Scientific Social Surveys and Research: An Introduction to the Background, Content, Methods, Principles and Analysis of Social Studies. 4th ed. Prentice-Hall ; Prentice-Hall, 1966.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.