APA aipamena

ALLEN JOSEPH. (1979). EFFECTIVE BUSINESS COMMUNICATION A PRATICAL GUIDE. GOODYEAR.

Chicago Style aipamena

ALLEN JOSEPH. EFFECTIVE BUSINESS COMMUNICATION A PRATICAL GUIDE. CALIFORNIA: GOODYEAR, 1979.

MLA aipamena

ALLEN JOSEPH. EFFECTIVE BUSINESS COMMUNICATION A PRATICAL GUIDE. GOODYEAR, 1979.