APA aipamena

Grassian, V. (1984). Perennial philosophical issues. Prentice-Hall.

Chicago Style aipamena

Grassian, Victor. Perennial Philosophical Issues. Englewood Cliffs, N.J: Prentice-Hall, 1984.

MLA aipamena

Grassian, Victor. Perennial Philosophical Issues. Prentice-Hall, 1984.