Gaya APA
Tambunan, Frietz R.. (2004).
Basic principles of philosophy : note lecture for the students of the faculty of letters sem III-2004-2005 .
Medan:
Unika St. Thomas SU Medanmatera Utara.
Gaya Chicago
Tambunan, Frietz R..
Basic principles of philosophy : note lecture for the students of the faculty of letters sem III-2004-2005.
Medan:
Unika St. Thomas SU Medanmatera Utara,
2004.
Text.
Gaya MLA
Tambunan, Frietz R..
Basic principles of philosophy : note lecture for the students of the faculty of letters sem III-2004-2005.
Medan:
Unika St. Thomas SU Medanmatera Utara,
2004.
Text.
Gaya Turabian
Tambunan, Frietz R..
Basic principles of philosophy : note lecture for the students of the faculty of letters sem III-2004-2005.
Medan:
Unika St. Thomas SU Medanmatera Utara,
2004.
Print.