APA-referens (7:e uppl.)

Mah. State Board of Sec Ed. (1973). Chamber`s Encyclopedia Vol- XI. International Leaving Systems co. Ltd.

Chicago-referens (17:e uppl.)

Mah. State Board of Sec Ed. Chamber`s Encyclopedia Vol- XI. London: International Leaving Systems co. Ltd, 1973.

MLA-referens (9:e uppl.)

Mah. State Board of Sec Ed. Chamber`s Encyclopedia Vol- XI. International Leaving Systems co. Ltd, 1973.