Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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