Gaya APA

Wright, J, V. (2009). Praktikos Health Series: Your Stomach: What is Really Making You Miserable and What to Do About It . America: Pratikos Books.

Gaya MLA

Wright, Jonathan, V.. "Praktikos Health Series: Your Stomach: What is Really Making You Miserable and What to Do About It". America: Pratikos Books, 2009. Text.