O'Neill, R. (1979). Kernel one: Students' book part B (1a. ed.). Logman.
Cita Chicago Style (17a ed.)O'Neill, Robert. Kernel One: Students' Book Part B. 1a. ed. New York: Logman, 1979.
Cita MLA (9a ed.)O'Neill, Robert. Kernel One: Students' Book Part B. 1a. ed. Logman, 1979.
警告:这些引文格式不一定是100%准确.