Gaya APA

Schatzman, L., Strauss, A, L. (1973). Field Research: Strategies for a Natural Sociology . London: Prentice-Hall Inc..

Gaya MLA

Schatzman, Leonard., Strauss, Anselm, L.. "Field Research: Strategies for a Natural Sociology". London: Prentice-Hall Inc., 1973. Texts.