APA

Bonnett K. R., .An IBM Guide to Doing Business on the Internet. New York: Mc Graw-Hill.

Chicago

Bonnett Kendra R, .An IBM Guide to Doing Business on the Internet. New York: Mc Graw-Hill.

Harvard

Bonnett K. R., .An IBM Guide to Doing Business on the Internet. New York: Mc Graw-Hill.

MLA

Bonnett Kendra R, .New York: Mc Graw-Hill. .