Cita APA (7a ed.)

魏棻卿. (2018). 心怀正向的信念: Have positive beliefs. 青岛出版社.

Cita Chicago Style (17a ed.)

魏棻卿. 心怀正向的信念: Have Positive Beliefs. 青岛出版社, 2018.

Cita MLA (8a ed.)

魏棻卿. 心怀正向的信念: Have Positive Beliefs. 青岛出版社, 2018.