Gaya APA

Varallo, D, V. et al (2017). Leading in English: How to Confidently Communicate and Inspire Others in The International Workplace . New Jersey: John Wiley & Sons.

Gaya MLA

Varallo, D., Vincent. et al. "Leading in English: How to Confidently Communicate and Inspire Others in The International Workplace". New Jersey: John Wiley & Sons, 2017. Text.