Cita APA (7th ed.)

Gopal, M. H. (1970). An introduction to research procedure in social sciences (2d rev. and enl. ed.). Asia Pub. House.

Cita Chicago (17th ed.)

Gopal, M. H. An Introduction to Research Procedure in Social Sciences. 2d rev. and enl. ed. New York: Asia Pub. House, 1970.

Cita MLA (9th ed.)

Gopal, M. H. An Introduction to Research Procedure in Social Sciences. 2d rev. and enl. ed. Asia Pub. House, 1970.