Gaya APA

Hill, L., Thompson, C, F. (1973). Oxford Graded Readers: The Ruined House (Cet. 1.--). London: Oxford University Press.

Gaya MLA

Hill, L.A., Thompson, Carol, F.. "Oxford Graded Readers: The Ruined House". Cet. 1.-- London: Oxford University Press, 1973. Text.