Hoare, C., Jifeng, H., & Friesen, O. (1987). Design and Proof of a Mail Service.
Lua i Stíl Chicago (17ú heag.)Hoare, C., H. Jifeng, agus O. Friesen. Design and Proof of a Mail Service. 1987.
Lua MLA (9ú heag.)Hoare, C., et al. Design and Proof of a Mail Service. 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.