APA (7th ed.) Citation

National Library Service of Papua new Guinea. (1984). International Standard Book Number users' manual: Users' manual for the ISBN system in Papua New Guinea. National Library Service of Papua New Guinea.

Chicago Style (17th ed.) Citation

National Library Service of Papua new Guinea. International Standard Book Number Users' Manual: Users' Manual for the ISBN System in Papua New Guinea. [Port Moresby]: National Library Service of Papua New Guinea, 1984.

MLA (9th ed.) Citation

National Library Service of Papua new Guinea. International Standard Book Number Users' Manual: Users' Manual for the ISBN System in Papua New Guinea. National Library Service of Papua New Guinea, 1984.