APA (7. basım) Alıntı

Simmons Christopher. (1942). Letterhead & Logo Design 9. Oxford.

Chicago Style (17. basım) Atıf

Simmons Christopher. Letterhead & Logo Design 9. USA: Oxford, 1942.

MLA (9th ed.) Atıf

Simmons Christopher. Letterhead & Logo Design 9. Oxford, 1942.