https://digital.katalog.queersearch.org/s/katalog/item/65231 and https://digital.katalog.queersearch.org/s/katalog/item/65232, “Perceived Emotional Support from Familiy and Friends in Members of Homosexual, Married, and Heterosexual Cohabiting Couples”, QueerSearch, accessed 1. Juli 2025, https://digital.katalog.queersearch.org/s/katalog/item/57189