APA-viite (7. p.)
Fowkes, A. (2014). Drawing type: An introduction to illustrating letterforms. Rockport Publishers.
Chicago-viite (17. p.)
Fowkes, Alex. Drawing Type: An Introduction to Illustrating Letterforms. Beverly, Massachusetts: Rockport Publishers, 2014.
MLA-viite (9. p.)
Fowkes, Alex. Drawing Type: An Introduction to Illustrating Letterforms. Rockport Publishers, 2014.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.