Gaya APA
Gomm, Roger. (2000).
Case Study Method .
:
Sage Publication.
Gaya Chicago
Gomm, Roger.
Case Study Method.
:
Sage Publication,
2000.
Text.
Gaya MLA
Gomm, Roger.
Case Study Method.
:
Sage Publication,
2000.
Text.
Gaya Turabian
Gomm, Roger.
Case Study Method.
:
Sage Publication,
2000.
Print.