APA Style
Sopper, A.J. De. ().
Wat is Philosophie? .
Haarlem:
.
Chicago Style
Sopper, A.J. De.
Wat is Philosophie?.
Haarlem:
,
.
Text.
MLA Style
Sopper, A.J. De.
Wat is Philosophie?.
Haarlem:
,
.
Text.
Turabian Style
Sopper, A.J. De.
Wat is Philosophie?.
Haarlem:
,
.
Print.