APA Style
Hippel, Eric von.. (1998).
The Sources of innovation .
USA:
Oxford University.
Chicago Style
Hippel, Eric von..
The Sources of innovation.
USA:
Oxford University,
1998.
Printed Material.
MLA Style
Hippel, Eric von..
The Sources of innovation.
USA:
Oxford University,
1998.
Printed Material.
Turabian Style
Hippel, Eric von..
The Sources of innovation.
USA:
Oxford University,
1998.
Printed Material.