Gaya APA
SHEPHERD, Peter. (2019).
The Positive Approach .
Yogyakarta:
Bright Publisher.
Gaya Chicago
SHEPHERD, Peter.
The Positive Approach.
Yogyakarta:
Bright Publisher,
2019.
Buku Teks.
Gaya MLA
SHEPHERD, Peter.
The Positive Approach.
Yogyakarta:
Bright Publisher,
2019.
Buku Teks.
Gaya Turabian
SHEPHERD, Peter.
The Positive Approach.
Yogyakarta:
Bright Publisher,
2019.
Buku Teks.