APA (7e ed.) Bronvermelding

(1989). Logic programming: Proceedings of the North American conference, 1989 / edited by Ewing L. Lusk and Ross A. Overbeek.

Chicago (17e ed.) Bronvermelding

Logic Programming: Proceedings of the North American Conference, 1989 / Edited by Ewing L. Lusk and Ross A. Overbeek. 1989.

MLA (9e ed.) Bronvermelding

Logic Programming: Proceedings of the North American Conference, 1989 / Edited by Ewing L. Lusk and Ross A. Overbeek. 1989.