APA-viite (7. p.)

Keefe, E. K. (1974). Area handbook for Belgium. U.S. Government Printing Office.

Chicago-viite (17. p.)

Keefe, Eugene K. Area Handbook for Belgium. Washington, D.C: U.S. Government Printing Office, 1974.

MLA-viite (9. p.)

Keefe, Eugene K. Area Handbook for Belgium. U.S. Government Printing Office, 1974.