APA
Pitter K. M., Pitter R. L., . (1986). Using IBM Microcomputers with WordStar, Lotus 1-2-3-, dBase II and III. Santa Cruz CA: Mitchell Publishing.
Chicago
Pitter Keiko M, Pitter Richard L, . 1986. Using IBM Microcomputers with WordStar, Lotus 1-2-3-, dBase II and III. Santa Cruz CA: Mitchell Publishing.
Harvard
Pitter K. M., Pitter R. L., . (1986). Using IBM Microcomputers with WordStar, Lotus 1-2-3-, dBase II and III. Santa Cruz CA: Mitchell Publishing.
MLA
Pitter Keiko M, Pitter Richard L, . Using IBM Microcomputers with WordStar, Lotus 1-2-3-, dBase II and III. Santa Cruz CA: Mitchell Publishing. 1986.