APA aipamena

Alejandro, R. D., Omar Khayyam, & Sophocles. (1972). Si Omar Khayyam at si Sofocles. MCS Enterprises.

Chicago Style aipamena

Alejandro, Rufino D., Omar Khayyam, and Sophocles. Si Omar Khayyam at Si Sofocles. Manila: MCS Enterprises, 1972.

MLA aipamena

Alejandro, Rufino D., et al. Si Omar Khayyam at Si Sofocles. MCS Enterprises, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.