Citazione APA

Wilfred Funk Norman Lewis. (2009). 30 Days To A More Powerful Vocabulary. Binny Publishing House.

Stile di citazione Chicago

Wilfred Funk Norman Lewis. 30 Days To A More Powerful Vocabulary. New Delhi: Binny Publishing House, 2009.

Citazione MLA

Wilfred Funk Norman Lewis. 30 Days To A More Powerful Vocabulary. Binny Publishing House, 2009.