Gaya APA

Young, P, V., Schmid, C, F. (2001). Scientific social surveys and research (Cet.14). New Delhi: Prentice-Hall of India Private Limited.

Gaya MLA

Young, Pauline, V., Schmid, Calvin, F.. "Scientific social surveys and research". Cet.14 New Delhi: Prentice-Hall of India Private Limited, 2001. Text.