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Gaya APA

Keraf, D, A, S. (2018). Etika Bisnis Tuntunan dan Relevansinya (Cetakan 19). Depok: Kansius Yokakarta.

Gaya MLA

Keraf, Dr., A., Sonny. "Etika Bisnis Tuntunan dan Relevansinya". Cetakan 19 Depok: Kansius Yokakarta, 2018. Text.