APA-referens (7:e uppl.)

Song, R. (2014). Covenant and calling: Towards a theology of same-sex relationships. SCM Press.

Chicago-referens (17:e uppl.)

Song, Robert. Covenant and Calling: Towards a Theology of Same-sex Relationships. London, England ; Norwich, England: SCM Press, 2014.

MLA-referens (9:e uppl.)

Song, Robert. Covenant and Calling: Towards a Theology of Same-sex Relationships. SCM Press, 2014.