Cita APA (7th ed.)
Forsher, B. J. More Precious than Gold and Philately.
Cita Chicago (17th ed.)
Forsher, Bruno J. More Precious than Gold and Philately.
Cita MLA (9th ed.)
Forsher, Bruno J. More Precious than Gold and Philately.
Atenció: Aquestes cites poden no estar 100% correctes.