Gaya APA

Trisnojuwono, . et al (1977). Delta Readers 1500 Word Level: the Barbed Wire Fence (Cet. 1.--). London: Oxford University Press.

Gaya MLA

Trisnojuwono, . et al. "Delta Readers 1500 Word Level: the Barbed Wire Fence". Cet. 1.-- London: Oxford University Press, 1977. Text.