APA aipamena

Watson, A. G. H. (1967). A guide to reference materials of Columbia, Ecuador, and Venezuel: Useful in the social science and humanities. University of Texas.

Chicago Style aipamena

Watson, Alice Gayle Hudgens. A Guide to Reference Materials of Columbia, Ecuador, and Venezuel: Useful in the Social Science and Humanities. Austin: University of Texas, 1967.

MLA aipamena

Watson, Alice Gayle Hudgens. A Guide to Reference Materials of Columbia, Ecuador, and Venezuel: Useful in the Social Science and Humanities. University of Texas, 1967.