APA Style

SCHOPENHAUER, ARTHUR. (1974, 1999). ON THE FOURFOLD ROOT OF THE PRINCIPLE OF SUFFICIENT REASON ( Cetak ke: 8). ILLINOIS: OPEN COURT PUBLISHING COMPANY.

Chicago Style

SCHOPENHAUER, ARTHUR. ON THE FOURFOLD ROOT OF THE PRINCIPLE OF SUFFICIENT REASON. Cetak ke: 8 ILLINOIS: OPEN COURT PUBLISHING COMPANY, 1974, 1999. Text.

MLA Style

SCHOPENHAUER, ARTHUR. ON THE FOURFOLD ROOT OF THE PRINCIPLE OF SUFFICIENT REASON. Cetak ke: 8 ILLINOIS: OPEN COURT PUBLISHING COMPANY, 1974, 1999. Text.

Turabian Style

SCHOPENHAUER, ARTHUR. ON THE FOURFOLD ROOT OF THE PRINCIPLE OF SUFFICIENT REASON. Cetak ke: 8 ILLINOIS: OPEN COURT PUBLISHING COMPANY, 1974, 1999. Print.