Cita APA (7th ed.)

Gopal, M. (1970). An Int to Research Procedure in Social sciences (2nd.). Asia Pub House.

Cita Chicago (17th ed.)

Gopal, M. An Int to Research Procedure in Social Sciences. 2nd. NULL: Asia Pub House, 1970.

Cita MLA (9th ed.)

Gopal, M. An Int to Research Procedure in Social Sciences. 2nd. Asia Pub House, 1970.