APA aipamena

Grauer, R. T. (1983). TRS-80 COBOL. Prentice-Hall.

Chicago Style aipamena

Grauer, Robert T. TRS-80 COBOL. Englewood Cliffs: Prentice-Hall, 1983.

MLA aipamena

Grauer, Robert T. TRS-80 COBOL. Prentice-Hall, 1983.