APA引文

Leadbeater Charles W. (2007). Invisible helpers. Thesophical Publishing house.

Chicago Edition Citation

Leadbeater Charles W. Invisible Helpers. Madras: Thesophical Publishing house, 2007.

MLA引文

Leadbeater Charles W. Invisible Helpers. Thesophical Publishing house, 2007.

警告：這些引文格式不一定是100％准確.