Παραπομπή APA

Tolstoy,Leo. (2009). Last steps: The late writings of Leo tolstoy. Penguin books.

Παραπομπή Chicago Style

Tolstoy,Leo. Last Steps: The Late Writings of Leo Tolstoy. London: Penguin books, 2009.

Παραπομπή MLA

Tolstoy,Leo. Last Steps: The Late Writings of Leo Tolstoy. Penguin books, 2009.