SINGH & SINGH. (2012). ICSE ART OF EFFECTIVE WRITING. S.CHAND & COMPANY LTD.
Citazione stile Chigago Style (17a edizione)SINGH & SINGH. ICSE ART OF EFFECTIVE WRITING. S.CHAND & COMPANY LTD, 2012.
Citatione MLA (9a ed.)SINGH & SINGH. ICSE ART OF EFFECTIVE WRITING. S.CHAND & COMPANY LTD, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.