Voight, R. C. (1971). Invitation to learning: The learning center handbook. Acropolis Books.
芝加哥风格引文Voight, Ralph Claude. Invitation to Learning: The Learning Center Handbook. Washington: Acropolis Books, 1971.
MLA引文Voight, Ralph Claude. Invitation to Learning: The Learning Center Handbook. Acropolis Books, 1971.
警告：这些引文格式不一定是100％准确.