Roberts, B. C. (1997). „The Many Faces of Bisexuality”. International Journal of Sexuality and Gender Studies. 2 (1): 65—76. ISSN1566-1768. doi:10.1023/A:1026341216421.
Weinrich, James D.; Fritz Klein (2002). „Bi-Gay, Bi-Straight, and Bi-Bi”. Journal of Bisexuality. 2 (4): 109—139. ISSN1529-9716. doi:10.1300/J159v02n04_07.
Roberts, B. C. (1997). „The Many Faces of Bisexuality”. International Journal of Sexuality and Gender Studies. 2 (1): 65—76. ISSN1566-1768. doi:10.1023/A:1026341216421.
Weinrich, James D.; Fritz Klein (2002). „Bi-Gay, Bi-Straight, and Bi-Bi”. Journal of Bisexuality. 2 (4): 109—139. ISSN1529-9716. doi:10.1300/J159v02n04_07.