Gaya APA
PEALE, N, V., Tjandrasa, M, M. (2013).
Treasury of joy and enthusiasm .
Tangerang:
Paperplus Publisher.
Gaya MLA
PEALE, NORMAN, VINCENT., Tjandrasa, Med, Meitasari.
"Treasury of joy and enthusiasm".
Tangerang:
Paperplus Publisher,
2013.
Book.