APA (7e ed.) Bronvermelding

Gardner, R., & Shortelle, D. (1997). From talking drums to the Internet: An encyclopedia of communications technology. ABC-CLIO.

Chicago (17e ed.) Bronvermelding

Gardner, Robert, en Dennis Shortelle. From Talking Drums to the Internet: An Encyclopedia of Communications Technology. Santa Barbara, Calif: ABC-CLIO, 1997.

MLA (9e ed.) Bronvermelding

Gardner, Robert, en Dennis Shortelle. From Talking Drums to the Internet: An Encyclopedia of Communications Technology. ABC-CLIO, 1997.