Citace podle APA (7th ed.)

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

Citace podle Chicago (17th ed.)

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

Citace podle MLA (9th ed.)

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

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