Gaya APA

Serraillier, I. et al (1995). Oxford Bookworms [Stage 4]: the Silver Sword (Cet. 1. --). New York: Oxford University Press.

Gaya MLA

Serraillier, Ian. et al. "Oxford Bookworms [Stage 4]: the Silver Sword". Cet. 1. -- New York: Oxford University Press, 1995. Text.