Cita APA (7th ed.)

PARASURAMAN A. (1991). MARKETING RESEARCH (2ND.). ADDISON-WESLEY.

Cita Chicago (17th ed.)

PARASURAMAN A. MARKETING RESEARCH. 2ND. NEW DELHI: ADDISON-WESLEY, 1991.

Cita MLA (9th ed.)

PARASURAMAN A. MARKETING RESEARCH. 2ND. ADDISON-WESLEY, 1991.