Envoy Enterprises. (1990). The Gay & Lesbian Almanac and Events of 1991. Envoy Enterprises.
Chicago-Zitierstil (17. Ausg.)Envoy Enterprises. The Gay & Lesbian Almanac and Events of 1991. Chicago: Envoy Enterprises, 1990.
MLA-Zitierstil (8. Ausg.)Envoy Enterprises. The Gay & Lesbian Almanac and Events of 1991. Envoy Enterprises, 1990.
警告：這些引文格式不一定是100％准確.