Besag, F. P. (1984). Basic for teachers. Sage Publications.
Cita Chicago (17th ed.)Besag, Frank P. Basic for Teachers. Beverly Hills: Sage Publications, 1984.
Cita MLA (9th ed.)Besag, Frank P. Basic for Teachers. Sage Publications, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.