Gaya APA
Innovation and entrepreneurship Practice and principles Peter F. Drucker. (1985).
:
.
Gaya Chicago
Innovation and entrepreneurship Practice and principles Peter F. Drucker.
-.
:
,
1985.
.
Gaya MLA
Innovation and entrepreneurship Practice and principles Peter F. Drucker.
-.
:
,
1985.
.
Gaya Turabian
Innovation and entrepreneurship Practice and principles Peter F. Drucker.
:
,
1985.
.