SAMSON. T/ VISWESWARAN. (2014). ENGLISH WORKBOOK ORCHIDS - 1. MC GRAW HILL.
Cita Chicago (17th ed.)SAMSON. T/ VISWESWARAN. ENGLISH WORKBOOK ORCHIDS - 1. MC GRAW HILL, 2014.
Cita MLA (9th ed.)SAMSON. T/ VISWESWARAN. ENGLISH WORKBOOK ORCHIDS - 1. MC GRAW HILL, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.