GUPTA, V. /. G. (2013). OXFORD SCIENCE IN EVERYDAY LIFE- 3. OXFORD PUBLICATION.
Cita Chicago (17th ed.)GUPTA, VAISHALI / GUPTA. OXFORD SCIENCE IN EVERYDAY LIFE- 3. OXFORD PUBLICATION, 2013.
Cita MLA (9th ed.)GUPTA, VAISHALI / GUPTA. OXFORD SCIENCE IN EVERYDAY LIFE- 3. OXFORD PUBLICATION, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.