APA-čujuhus (7. p.)

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

Chicago-čujuhus (17. p.)

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

MLA-čujuhus (9. p.)

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

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