PURWANTO, D., & PURWANTO, D. (1997). Komunikasi Bisnis Djoko Purwanto. Erlangga.
Chicago Style (17th ed.) CitationPURWANTO, Djoko, and Djoko PURWANTO. Komunikasi Bisnis Djoko Purwanto. Erlangga, 1997.
MLA引文PURWANTO, Djoko, and Djoko PURWANTO. Komunikasi Bisnis Djoko Purwanto. Erlangga, 1997.
警告:这些引文格式不一定是100%准确.