APA引文

(1990). The step by step series: As given by the ascended masters. Pearl Publ.

Chicago Style (17th ed.) Citation

The Step by Step Series: As Given by the Ascended Masters. Mount Shasta, Calif: Pearl Publ, 1990.

MLA引文

The Step by Step Series: As Given by the Ascended Masters. Pearl Publ, 1990.

警告：這些引文格式不一定是100％准確.