Keyes, M. F. (1988). Out of the shadows: Uses of depression, anxiety, and anger in the enneagram. Molysdatur Publications.
芝加哥风格引文Keyes, Margaret Frings. Out of the Shadows: Uses of Depression, Anxiety, and Anger in the Enneagram. Muir Beach, Calif.: Molysdatur Publications, 1988.
MLA引文Keyes, Margaret Frings. Out of the Shadows: Uses of Depression, Anxiety, and Anger in the Enneagram. Molysdatur Publications, 1988.
警告：这些引文格式不一定是100％准确.