Pearson, B. (1983). Best in Class. Siebenhüner.
Cita Chicago (17th ed.)Pearson, Bruce. Best in Class. Mörfelden-Walldorf: Siebenhüner, 1983.
Cita MLA (8th ed.)Pearson, Bruce. Best in Class. Siebenhüner, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.