Cita APA (7th ed.)

Young, P. V., & Schmid, C. F. (2003). Scientific Social Surveys and Research: An Introduction to the Background, Content, Methods, Principles, and Analysis of Social Studies (4th ed.). Prentice-Hall of India Private Limited.

Cita Chicago (17th ed.)

Young, Pauline V., i Calvin F. Schmid. Scientific Social Surveys and Research: An Introduction to the Background, Content, Methods, Principles, and Analysis of Social Studies. 4th ed. New Delhi: Prentice-Hall of India Private Limited, 2003.

Cita MLA (9th ed.)

Young, Pauline V., i Calvin F. Schmid. Scientific Social Surveys and Research: An Introduction to the Background, Content, Methods, Principles, and Analysis of Social Studies. 4th ed. Prentice-Hall of India Private Limited, 2003.