APA (7e ed.) Bronvermelding

Hoare, C., Jifeng, H., & Friesen, O. (1987). Design and Proof of a Mail Service.

Chicago (17e ed.) Bronvermelding

Hoare, C., H. Jifeng, en O. Friesen. Design and Proof of a Mail Service. 1987.

MLA (9e ed.) Bronvermelding

Hoare, C., et al. Design and Proof of a Mail Service. 1987.