Gaya APA

Janal, D, S. (0). Online marketing handbook : how to promote, advertise, and sell your products and services on the internet (1998 edition). New York: John Wiley & Sons, Inc..

Gaya MLA

Janal, Daniel, S.. "Online marketing handbook : how to promote, advertise, and sell your products and services on the internet". 1998 edition New York: John Wiley & Sons, Inc., 0. BUKU.