Quam, J. K. (1997). Social services for senior gay men and lesbians. Harrington Park Press.
Chicago-Zitierstil (17. Ausg.)Quam, Jean K. Social Services for Senior Gay Men and Lesbians. New York [u.a.]: Harrington Park Press, 1997.
MLA-Zitierstil (8. Ausg.)Quam, Jean K. Social Services for Senior Gay Men and Lesbians. Harrington Park Press, 1997.
警告：这些引文格式不一定是100％准确.