APA Style

Shepherd, Peter, Zulkarnaen Ishak, Laila Qadria. (2022). The Positive Approach: manfaat berpikir dan bersikap positif (Ed. 6). Sleman: Bright Publisher.

Chicago Style

Shepherd, Peter, Zulkarnaen Ishak, Laila Qadria. The Positive Approach: manfaat berpikir dan bersikap positif. Ed. 6 Sleman: Bright Publisher, 2022. Textbook.

MLA Style

Shepherd, Peter, Zulkarnaen Ishak, Laila Qadria. The Positive Approach: manfaat berpikir dan bersikap positif. Ed. 6 Sleman: Bright Publisher, 2022. Textbook.

Turabian Style

Shepherd, Peter, Zulkarnaen Ishak, Laila Qadria. The Positive Approach: manfaat berpikir dan bersikap positif. Ed. 6 Sleman: Bright Publisher, 2022. Textbook.