APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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