APA-ийн эшлэл(7 дахь хэвлэлт)

SCHAFFER ROBERT. (1986). MARKETING TOOLKIT: COMPUTER APPLICATIONS FOR MARKETING PRINCIPLES. ADDISON-WESLEY.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

SCHAFFER ROBERT. MARKETING TOOLKIT: COMPUTER APPLICATIONS FOR MARKETING PRINCIPLES. MASSACHUSETTS: ADDISON-WESLEY, 1986.

MLA -ийн эшлэл (9 дэх хэвлэлт)

SCHAFFER ROBERT. MARKETING TOOLKIT: COMPUTER APPLICATIONS FOR MARKETING PRINCIPLES. ADDISON-WESLEY, 1986.