APA (7. basım) Alıntı

Hollander, J. E. (2018). Signo de Wellens. McGraw-Hill Education LLC..

Chicago Style (17. basım) Atıf

Hollander, Judd E. Signo De Wellens. New York, N.Y.: McGraw-Hill Education LLC., 2018.

MLA (9th ed.) Atıf

Hollander, Judd E. Signo De Wellens. McGraw-Hill Education LLC., 2018.