APA-viite (7. p.)

system, A. s. i. c. u. I. b. c. Introduction to medical sciences for clinical practice. Year Book Medical Publ.

Chicago-viite (17. p.)

system, A self instructional/tutorial curruculum unit III biological control. Introduction to Medical Sciences for Clinical Practice. Year Book Medical Publ.

MLA-viite (8. p.)

system, A self instructional/tutorial curruculum unit III biological control. Introduction to Medical Sciences for Clinical Practice. Year Book Medical Publ.