APA način citiranja

Greg Harvey. (1990). Wordperfect 5.1 instant reference. Singapore: Tech Publications.

Čikaški stil citiranja

Greg Harvey. Wordperfect 5.1 Instant Reference. Singapore: Tech Publications, 1990.

MLA način citiranja

Greg Harvey. Wordperfect 5.1 Instant Reference. Singapore: Tech Publications, 1990.

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