Duberman, Martin. "Acknowledgments". Has the Gay Movement Failed?, Berkeley: University of California Press, 2018, pp. xi-xii. https://doi.org/10.1525/9780520970847-001
Duberman, M. (2018). Acknowledgments. In Has the Gay Movement Failed? (pp. xi-xii). Berkeley: University of California Press. https://doi.org/10.1525/9780520970847-001
Duberman, Martin. "Acknowledgments" In Has the Gay Movement Failed?, xi-xii. Berkeley: University of California Press, 2018. https://doi.org/10.1525/9780520970847-001