Gaya APA
E-Learning by design. (2012).
San Fransisco:
Pfeiffer.
Gaya Chicago
E-Learning by design.
2.
San Fransisco:
Pfeiffer,
2012.
Buku.
Gaya MLA
E-Learning by design.
2.
San Fransisco:
Pfeiffer,
2012.
Buku.
Gaya Turabian
E-Learning by design.
San Fransisco:
Pfeiffer,
2012.
Buku.