APA-viite (7. p.)

Urban, S., Lee, J., & Freeman, M. (2002). A family of Rhomboid intramembrane proteases activates all Drosophila membrane-tethered EGF ligands.

Chicago-viite (17. p.)

Urban, S., JR Lee, ja M. Freeman. A Family of Rhomboid Intramembrane Proteases Activates All Drosophila Membrane-tethered EGF Ligands. 2002.

MLA-viite (9. p.)

Urban, S., et al. A Family of Rhomboid Intramembrane Proteases Activates All Drosophila Membrane-tethered EGF Ligands. 2002.