Gaya APA
Obermeier, B., Padova, T.
(2013).
Photoshop Elements 12 for Dummies
.
USA:
Penerbit Nusa Indah.
Gaya MLA
Obermeier, Barbara., Padova, Ted.
"Photoshop Elements 12 for Dummies".
USA:
Penerbit Nusa Indah,
2013.
Textbook.