APA-viite (7. p.)

SIMPSON, B. B., & OGORZALY, M. C. (2001). Economic botany: Plants in our world.-- ed.3. McGraw-Hill.

Chicago-viite (17. p.)

SIMPSON, Beryl Brintnall, ja Molly Conner OGORZALY. Economic Botany: Plants in Our World.-- Ed.3. Boston: McGraw-Hill, 2001.

MLA-viite (9. p.)

SIMPSON, Beryl Brintnall, ja Molly Conner OGORZALY. Economic Botany: Plants in Our World.-- Ed.3. McGraw-Hill, 2001.