APA-viite (7. p.)

Gammell Tim. (1989). Date palms in Kenya: An economic resource for arid and semi-arid areas. Acts Press.

Chicago-viite (17. p.)

Gammell Tim. Date Palms in Kenya: An Economic Resource for Arid and Semi-arid Areas. Kenya: Acts Press, 1989.

MLA-viite (9. p.)

Gammell Tim. Date Palms in Kenya: An Economic Resource for Arid and Semi-arid Areas. Acts Press, 1989.