Gaya APA

Parker, M., Freeman, A. (2005). How to feed friends and influence people: the Carnegie Deli--a giant sandwich, a little deli, a huge success . New Jersey: John Wiley & Sons, Inc..

Gaya MLA

Parker, Milton., Freeman, Allyn. "How to feed friends and influence people: the Carnegie Deli--a giant sandwich, a little deli, a huge success". New Jersey: John Wiley & Sons, Inc., 2005. Text.