Gaya APA

THILL, J, V., BOVEE, C, L. (1991). EXCELLENCE IN BUSSINES COMMUNICATION . United States of America: MCGRAW-HILL BOOK COMPANY.

Gaya MLA

THILL, JOHN, V.., BOVEE, COURTLAND, L.. "EXCELLENCE IN BUSSINES COMMUNICATION". United States of America: MCGRAW-HILL BOOK COMPANY, 1991. Text.