APA

Lehnert W. G., . (1999). Light on the internet: essentials of the Internet and the World Wide Web. Reading, Mass: Addison Wesley Longman.

Chicago

Lehnert Wendy G, . 1999. Light on the internet: essentials of the Internet and the World Wide Web. Reading, Mass: Addison Wesley Longman.

Harvard

Lehnert W. G., . (1999). Light on the internet: essentials of the Internet and the World Wide Web. Reading, Mass: Addison Wesley Longman.

MLA

Lehnert Wendy G, . Light on the internet: essentials of the Internet and the World Wide Web. Reading, Mass: Addison Wesley Longman. 1999.