APA-Zitierstil (7. Ausg.)

(1987). Publishers' international directory with ISBN index (14th edition.). Saur.

Chicago-Zitierstil (17. Ausg.)

Publishers' International Directory with ISBN Index. 14th edition. München [u.a.]: Saur, 1987.

MLA-Zitierstil (8. Ausg.)

Publishers' International Directory with ISBN Index. 14th edition. Saur, 1987.