APA Баримт

Johnson J. (1987). The Bedford guide to the research process. St. Martin's Press.

Чикаго маягийн жагсаалт

Johnson J. The Bedford Guide to the Research Process. New York: St. Martin's Press, 1987.

MLA ишлэл

Johnson J. The Bedford Guide to the Research Process. St. Martin's Press, 1987.