Citazione APA

Pramila Ahuja, Amita Ahuja, & G C Ahuja. How to develop profitable listening skills. Sterling.

Stile di citazione Chicago

Pramila Ahuja, Amita Ahuja, e G C Ahuja. How to Develop Profitable Listening Skills. New Delhi: Sterling.

Citazione MLA

Pramila Ahuja, et al. How to Develop Profitable Listening Skills. Sterling.