APA stil citiranja

Frey, D. (1994). !-:: A directory of electronic mail addressing & networks: !-:: A directory of electronic mail addressing & networks (4th ed.). Sebastopol: O'Reilly & Associates.

Chicago stil citiranja

Frey, Donnalyn. !-:: A directory of electronic mail addressing & networks: !-:: A directory of electronic mail addressing & networks. 4th ed. Sebastopol: O'Reilly & Associates, 1994.

MLA stil citiranja

Frey, Donnalyn. !-:: A directory of electronic mail addressing & networks: !-:: A directory of electronic mail addressing & networks. 4th ed. Sebastopol: O'Reilly & Associates, 1994.