Gaya APA

Marshall, C, P. (2020). Protocol : The Power of Diplomacy and How to Make It Work for You (ed. 1). New York City: HarperCollins.

Gaya MLA

Marshall, Capricia, Penavic. "Protocol : The Power of Diplomacy and How to Make It Work for You". ed. 1 New York City: HarperCollins, 2020. Text.