APA-referens (7:e uppl.)

Freeman, T. B. (1941). Yoruba supplementary reader II. C.M.S. Bookshop.

Chicago-referens (17:e uppl.)

Freeman, Thomas Birch. Yoruba Supplementary Reader II. Lagos: C.M.S. Bookshop, 1941.

MLA-referens (8:e uppl.)

Freeman, Thomas Birch. Yoruba Supplementary Reader II. C.M.S. Bookshop, 1941.