Old, R. W., & Primrose, S. B. (1989). Principles of gene manipulation: An introduction to genetic engineering (4th ed.). Blackwell Scientific Publications Distributors, USA, Publishers Business Services.
Chicago-referens (17:e uppl.)Old, R. W., och S. B. Primrose. Principles of Gene Manipulation: An Introduction to Genetic Engineering. 4th ed. Oxford [England], Boston, Brookline, Mass: Blackwell Scientific Publications Distributors, USA, Publishers Business Services, 1989.
MLA-referens (9:e uppl.)Old, R. W., och S. B. Primrose. Principles of Gene Manipulation: An Introduction to Genetic Engineering. 4th ed. Blackwell Scientific Publications Distributors, USA, Publishers Business Services, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.