Gaya APA

rubin, A, I., Elder, J. (1980). Building For People : Behavioral Research Approaches and Directions (Ed. 1). Washington, D.C.: U.S Deartement of comerce.

Gaya MLA

rubin, Arthur, I.., Elder, Jacqueline. "Building For People : Behavioral Research Approaches and Directions". Ed. 1 Washington, D.C.: U.S Deartement of comerce, 1980. Text.