Gaya APA

Young, P, V., Schmid, C, F. (1966). Scientific social surveys and research : an introduction to the background content, methods, principles, and analysis for social student (4th ed). Englewood Cliffs, NJ: Prentice Hall.

Gaya MLA

Young, Pauline, V.., Schmid, Calvin, F.. "Scientific social surveys and research : an introduction to the background content, methods, principles, and analysis for social student". 4th ed Englewood Cliffs, NJ: Prentice Hall, 1966. Text.