Gaya APA
GAY, L.R.. (1992).
Research methods for business and management (text).
Singapore:
Prentice Hall International.
Gaya Chicago
GAY, L.R..
Research methods for business and management.
text
Singapore:
Prentice Hall International,
1992.
Tesis.
Gaya MLA
GAY, L.R..
Research methods for business and management.
text
Singapore:
Prentice Hall International,
1992.
Tesis.
Gaya Turabian
GAY, L.R..
Research methods for business and management.
text
Singapore:
Prentice Hall International,
1992.
Tesis.