Gaya APA
Olson, Robert G.. (1962).
An Introduction to Existentialism (Kesatu).
New York:
Dover Publications, Inc.
Gaya Chicago
Olson, Robert G..
An Introduction to Existentialism.
Kesatu
New York:
Dover Publications, Inc,
1962.
.
Gaya MLA
Olson, Robert G..
An Introduction to Existentialism.
Kesatu
New York:
Dover Publications, Inc,
1962.
.
Gaya Turabian
Olson, Robert G..
An Introduction to Existentialism.
Kesatu
New York:
Dover Publications, Inc,
1962.
.