Gaya APA

Library, G, C, S. et al (1982). GROLIER Computer Science Library: Information systems trhought cobol . Englewood-Cliffs, New Jersey: Printice-Hall.

Gaya MLA

Library, GROLIER, Computer, Science. et al. "GROLIER Computer Science Library: Information systems trhought cobol". Englewood-Cliffs, New Jersey: Printice-Hall, 1982. Buku.