Gaya APA

Mardyks, D, V, V, J, S, S, M. (2019). Leading in English : How to Confidently Communicate and Inspire Others in The International Workplace . Jakarta: PT. Elex Media Komputindo.

Gaya MLA

Mardyks, D., Vincent, Varallo,, Joerg, Schmitz,, Stephan, M.. "Leading in English : How to Confidently Communicate and Inspire Others in The International Workplace". Jakarta: PT. Elex Media Komputindo, 2019. Text.