APA引文

Hoang, H. (2021). The heart principle (Center Point Large Print edition.). Center Point Large Print.

Chicago Style (17th ed.) Citation

Hoang, Helen. The Heart Principle. Center Point Large Print edition. Thorndike, Maine: Center Point Large Print, 2021.

MLA引文

Hoang, Helen. The Heart Principle. Center Point Large Print edition. Center Point Large Print, 2021.

警告：這些引文格式不一定是100％准確.