Vallés, C. G. (1986). The art of choosing. Gujarat Sahitya Prakash.
Cita Chicago Style (17a ed.)Vallés, Carlos G. The Art of Choosing. Anand: Gujarat Sahitya Prakash, 1986.
Cita MLA (9a ed.)Vallés, Carlos G. The Art of Choosing. Gujarat Sahitya Prakash, 1986.
Precaución: Estas citas no son 100% exactas.