De Silva, R. L. G. Better Way to Sell: Mastery of Sales Through Mastery of Self : Mastery of Sales Through Mastery of Self (1.). Pearson India.
Style de citation Chicago (17e éd.)De Silva, Ranjan L G. Better Way to Sell: Mastery of Sales Through Mastery of Self : Mastery of Sales Through Mastery of Self. 1. Pearson India.
Style de citation MLA (8e éd.)De Silva, Ranjan L G. Better Way to Sell: Mastery of Sales Through Mastery of Self : Mastery of Sales Through Mastery of Self. 1. Pearson India.
Attention : ces citations peuvent ne pas être correctes à 100%.