APA-referens (7:e uppl.)

COSTANTINO, M. (2001). THE ILLUSTRATED FLAG HANDBOOK. SILVERDALE BOOKS.

Chicago-referens (17:e uppl.)

COSTANTINO, MARIA. THE ILLUSTRATED FLAG HANDBOOK. ENGLAND: SILVERDALE BOOKS, 2001.

MLA-referens (9:e uppl.)

COSTANTINO, MARIA. THE ILLUSTRATED FLAG HANDBOOK. SILVERDALE BOOKS, 2001.