APA-viite (7. p.)

Heldt, H., & Piechulla, B. (2005). Plant biochemistry (3rd ed.). Elsevier.

Chicago-viite (17. p.)

Heldt, Hans-Walter, ja Birgit Piechulla. Plant Biochemistry. 3rd ed. New Delhi: Elsevier, 2005.

MLA-viite (9. p.)

Heldt, Hans-Walter, ja Birgit Piechulla. Plant Biochemistry. 3rd ed. Elsevier, 2005.