Russel,Peter J. (2010). Biology: Exploring the diversity of life (First edition.). Nelson Education.
Chicago-viite (17. p.)Russel,Peter J. Biology: Exploring the Diversity of Life. First edition. Toronto: Nelson Education, 2010.
MLA-viite (9. p.)Russel,Peter J. Biology: Exploring the Diversity of Life. First edition. Nelson Education, 2010.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.