APA (7e ed.) Bronvermelding

Não informado. (2007). Annual report of the Director to the Board of Trustees. Chicago Natural History Museum.

Chicago (17e ed.) Bronvermelding

Não informado. Annual Report of the Director to the Board of Trustees. Chicago, Ill: Chicago Natural History Museum, 2007.

MLA (8e ed.) Bronvermelding

Não informado. Annual Report of the Director to the Board of Trustees. Chicago Natural History Museum, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.