APA-viite (7. p.)

Jenkin, R., Howard, W., Thomas, P., Abell, T., & Deane, G. (1977). Forestry development prospects in the Imatong Central Forest Reserve, Southern Sudan: Volume 3 (maps). Land Resources Division, Ministry of Overseas Development.

Chicago-viite (17. p.)

Jenkin, R., W. Howard, P. Thomas, T. Abell, ja G. Deane. Forestry Development Prospects in the Imatong Central Forest Reserve, Southern Sudan: Volume 3 (maps). Land Resources Division, Ministry of Overseas Development, 1977.

MLA-viite (9. p.)

Jenkin, R., et al. Forestry Development Prospects in the Imatong Central Forest Reserve, Southern Sudan: Volume 3 (maps). Land Resources Division, Ministry of Overseas Development, 1977.