APA Style

Shepherd, Peter, Laila Qadria. (2018). The Positive Approach : Manfaat Berpikir & Bersikap Positif (Cet. 2). Yogyakarta: Bright Publisher.

Chicago Style

Shepherd, Peter, Laila Qadria. The Positive Approach : Manfaat Berpikir & Bersikap Positif. Cet. 2 Yogyakarta: Bright Publisher, 2018. Buku Teks.

MLA Style

Shepherd, Peter, Laila Qadria. The Positive Approach : Manfaat Berpikir & Bersikap Positif. Cet. 2 Yogyakarta: Bright Publisher, 2018. Buku Teks.

Turabian Style

Shepherd, Peter, Laila Qadria. The Positive Approach : Manfaat Berpikir & Bersikap Positif. Cet. 2 Yogyakarta: Bright Publisher, 2018. Buku Teks.