Church Missionary Society Bookshop (Lagos, Nigeria). (1930). Sise ogbin pepepe: Iwe-kika fun lilo ni awon ile-eko kekere ni iha gusu Nigeria = Elementary agriculture : a book for use as a reader in Southern Nigerian elementary schools. C.M.S. Bookshop.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Church Missionary Society Bookshop (Lagos, Nigeria). Sise Ogbin Pepepe: Iwe-kika Fun Lilo Ni Awon Ile-eko Kekere Ni Iha Gusu Nigeria = Elementary Agriculture : A Book for Use as a Reader in Southern Nigerian Elementary Schools. Lagos: C.M.S. Bookshop, 1930.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Church Missionary Society Bookshop (Lagos, Nigeria). Sise Ogbin Pepepe: Iwe-kika Fun Lilo Ni Awon Ile-eko Kekere Ni Iha Gusu Nigeria = Elementary Agriculture : A Book for Use as a Reader in Southern Nigerian Elementary Schools. C.M.S. Bookshop, 1930.