APA (7 ম সংস্করণ) উদ্ধৃতি

Willen, B., Strals, N., & Lupton, E. (2009). Lettering & type: Creating letters and designing typefaces. Princeton Architectural Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Willen, Bruce, Nolen Strals, এবং Ellen Lupton. Lettering & Type: Creating Letters and Designing Typefaces. New York: Princeton Architectural Press, 2009.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Willen, Bruce, et al. Lettering & Type: Creating Letters and Designing Typefaces. Princeton Architectural Press, 2009.