Gaya APA
Tollman, Stephen M. (2008).
Closing the gap .
Sweden:
Umea University.
Gaya Chicago
Tollman, Stephen M.
Closing the gap.
Sweden:
Umea University,
2008.
Text.
Gaya MLA
Tollman, Stephen M.
Closing the gap.
Sweden:
Umea University,
2008.
Text.
Gaya Turabian
Tollman, Stephen M.
Closing the gap.
Sweden:
Umea University,
2008.
Print.