APA (7 ম সংস্করণ) উদ্ধৃতি

Overs, W. H. (1927). Sketches in ebony and ivory. Pub. for the National Council of the Protestant Episcopal Church by Church Missions Pub. Co..

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Overs, Walter H. Sketches in Ebony and Ivory. Hartford, Conn.: Pub. for the National Council of the Protestant Episcopal Church by Church Missions Pub. Co., 1927.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Overs, Walter H. Sketches in Ebony and Ivory. Pub. for the National Council of the Protestant Episcopal Church by Church Missions Pub. Co., 1927.