APA

Starkey P., Teklu S. & Goe M. R. (1991). Animal traction: an annotated selected bibliographic database. Addi Ababa: International Livestock Centre for Africa.

Chicago

Starkey Paul, Teklu Sirak and Goe Michael R. 1991. Animal traction: an annotated selected bibliographic database. Addi Ababa: International Livestock Centre for Africa.

Harvard

Starkey P., Teklu S. and Goe M. R. (1991). Animal traction: an annotated selected bibliographic database. Addi Ababa: International Livestock Centre for Africa.

MLA

Starkey Paul, Teklu Sirak and Goe Michael R. Animal traction: an annotated selected bibliographic database. Addi Ababa: International Livestock Centre for Africa. 1991.