APA Style
Baumgardner, S, R. (2014).
PSY353 Positive Psychology : adapted from positive psychology .
Singapore:
Pearson Education, Inc.
MLA Style
Baumgardner, Steve, R..
"PSY353 Positive Psychology : adapted from positive psychology".
Singapore:
Pearson Education, Inc,
2014.
Koleksi Buku Teks.