Gaya APA

Trump, D, J., Zanker, B. (2010). Think Big : Make It Happen in Business and Life (Ed.1). United States of America: Harper Collins Publishers.

Gaya MLA

Trump, Donald, J.., Zanker, Bill. "Think Big : Make It Happen in Business and Life". Ed.1 United States of America: Harper Collins Publishers, 2010. Text.