Gaya APA

Yeadon, R, O, K. (1977). Kernel lesson intermediate students book / Robert Oneill;Roy Kingsbury;Tony Yeadon . Hongkong: Yu Luen.

Gaya MLA

Yeadon, Robert, Oneill;Roy, Kingsbury;Tony. "Kernel lesson intermediate students book / Robert Oneill;Roy Kingsbury;Tony Yeadon". Hongkong: Yu Luen, 1977. Text.