APA-ийн эшлэл(7 дахь хэвлэлт)

(1989). ECOOP '89: Proceedings of the 1989 European Conference on Object-Oriented Programming, East Midland Conference Centre, University of Nottingham, 10-14 July 1989 / edited by Stephen Cook.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ECOOP '89: Proceedings of the 1989 European Conference on Object-Oriented Programming, East Midland Conference Centre, University of Nottingham, 10-14 July 1989 / Edited by Stephen Cook. 1989.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ECOOP '89: Proceedings of the 1989 European Conference on Object-Oriented Programming, East Midland Conference Centre, University of Nottingham, 10-14 July 1989 / Edited by Stephen Cook. 1989.