Burnell, I. The power of positive doing. International Personal Development, Goodwill Publishing House.
芝加哥风格引文Burnell, Ivan. The Power of Positive Doing. Center Ossipee, NH : New Delhi: International Personal Development, Goodwill Publishing House.
MLA引文Burnell, Ivan. The Power of Positive Doing. International Personal Development, Goodwill Publishing House.
警告：这些引文格式不一定是100％准确.