Gaya APA
Delfgaauw, Bernard. (1969).
Twentieth Century Philosophy (Kesatu).
Dublin:
Gill and Macmillan Ltd.
Gaya Chicago
Delfgaauw, Bernard.
Twentieth Century Philosophy.
Kesatu
Dublin:
Gill and Macmillan Ltd,
1969.
.
Gaya MLA
Delfgaauw, Bernard.
Twentieth Century Philosophy.
Kesatu
Dublin:
Gill and Macmillan Ltd,
1969.
.
Gaya Turabian
Delfgaauw, Bernard.
Twentieth Century Philosophy.
Kesatu
Dublin:
Gill and Macmillan Ltd,
1969.
.