APA (7e ed.) Bronvermelding

Envoy Enterprises. (1988). Gay/Lesbian Events of 1989: With ALMANAC of current gay/lesbian history. Envoy Enterprises.

Chicago (17e ed.) Bronvermelding

Envoy Enterprises. Gay/Lesbian Events of 1989: With ALMANAC of Current Gay/lesbian History. Chicago: Envoy Enterprises, 1988.

MLA (8e ed.) Bronvermelding

Envoy Enterprises. Gay/Lesbian Events of 1989: With ALMANAC of Current Gay/lesbian History. Envoy Enterprises, 1988.