Cassel, D. (1985). WordStar simplified with WordStar 3.3, MailMerge, SpellStar, and StarIndex. National Book Store.
Chicago Style (17. basım) AtıfCassel, Don. WordStar Simplified with WordStar 3.3, MailMerge, SpellStar, and StarIndex. Manila: National Book Store, 1985.
MLA (9th ed.) AtıfCassel, Don. WordStar Simplified with WordStar 3.3, MailMerge, SpellStar, and StarIndex. National Book Store, 1985.
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