APA Citation

Widayanto Bintang, & Seno. (2014). Powerful public speaking. Yogyakarta: Andi Offset.

Chicago Style Citation

Widayanto Bintang, and Seno. Powerful Public Speaking. Yogyakarta: Andi Offset, 2014.

MLA Citation

Widayanto Bintang, and Seno. Powerful Public Speaking. Yogyakarta: Andi Offset, 2014.

Warning: These citations may not always be 100% accurate.