Lua APA (7ú heag.)

YOUNG, P. V. (1960). Scientific social surveys and research.-- Ed.3. Prentice-Hall.

Lua i Stíl Chicago (17ú heag.)

YOUNG, Pauline V. Scientific Social Surveys and Research.-- Ed.3. New York: Prentice-Hall, 1960.

Lua MLA (9ú heag.)

YOUNG, Pauline V. Scientific Social Surveys and Research.-- Ed.3. Prentice-Hall, 1960.

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