APA-referens (7:e uppl.)

Hope, A. G., & Hope, J. B. (1973). Symbols of the nations: By A. Guy Hope and Janet Barker Hope. Publ. Affairs Pr..

Chicago-referens (17:e uppl.)

Hope, Ashley Guy, och Janet Barker Hope. Symbols of the Nations: By A. Guy Hope and Janet Barker Hope. Washington, D.C.: Publ. Affairs Pr., 1973.

MLA-referens (8:e uppl.)

Hope, Ashley Guy, och Janet Barker Hope. Symbols of the Nations: By A. Guy Hope and Janet Barker Hope. Publ. Affairs Pr., 1973.