Young, P. V. (1966). Scientific Social Surveys and Research: An Introduction to the Background, Content, Methods, and Analysis of Social Studies (4th ed.). Prentice-Hall.
Cita Chicago (17th ed.)Young, Pauline V. Scientific Social Surveys and Research: An Introduction to the Background, Content, Methods, and Analysis of Social Studies. 4th ed. Englewood Cliffs, N.J.: Prentice-Hall, 1966.
Cita MLA (9th ed.)Young, Pauline V. Scientific Social Surveys and Research: An Introduction to the Background, Content, Methods, and Analysis of Social Studies. 4th ed. Prentice-Hall, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.