Gaya APA

GREENFIELD, Tony. (1996). Research Methods; guidance for postgraduates . New York: JOHN WILEY & SONS.

Gaya Chicago

GREENFIELD, Tony. Research Methods; guidance for postgraduates. New York: JOHN WILEY & SONS, 1996. UMUM.

Gaya MLA

GREENFIELD, Tony. Research Methods; guidance for postgraduates. New York: JOHN WILEY & SONS, 1996. UMUM.

Gaya Turabian

GREENFIELD, Tony. Research Methods; guidance for postgraduates. New York: JOHN WILEY & SONS, 1996. UMUM.