Heer, E. Sarjary.
Cita Chicago (17th ed.)Heer, Erwin. Sarjary.
Cita MLA (8th ed.)Heer, Erwin. Sarjary.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)
Heer, E. Sarjary.
Cita Chicago (17th ed.)Heer, Erwin. Sarjary.
Cita MLA (8th ed.)Heer, Erwin. Sarjary.