Gaya APA
Merril, M. David. (2013).
First principles of instruction .
San Fransisco:
Pfeiffer.
Gaya Chicago
Merril, M. David.
First principles of instruction.
San Fransisco:
Pfeiffer,
2013.
Text.
Gaya MLA
Merril, M. David.
First principles of instruction.
San Fransisco:
Pfeiffer,
2013.
Text.
Gaya Turabian
Merril, M. David.
First principles of instruction.
San Fransisco:
Pfeiffer,
2013.
Print.