American Psychological Association 6th edition

Halladay, S., & Wiebel, M. [ca. 1993]. Object oriented software engineering [Book]. Lawrence: R & D Publ.

ISO-690 (author-date, English)

HALLADAY, Steve and WIEBEL, Michael, 1993. Object oriented software engineering. Lawrence: R & D Publ. ISBN 0130344893.

Modern Language Association 9th edition

Halladay, S., and M. Wiebel. Object oriented software engineering. book, R & D Publ., 1993.

Mohr Siebeck - Recht (Deutsch - Österreich)

Halladay, Steve/Wiebel, Michael: Object oriented software engineering, Lawrence 1993.

Emerald - Harvard

Halladay, S. and Wiebel, M. (1993), Object oriented software engineering, Vol. , R & D Publ., Lawrence.

Warning: These citations may not always be 100% accurate.