Kazarinoff, N. D. Ruler and the round.
Cita Chicago (17th ed.)Kazarinoff, N. D. Ruler and the Round.
Cita MLA (9th ed.)Kazarinoff, N. D. Ruler and the Round.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)