Gaya APA

Hill, N. (2018). The 5 Essential principles of think and grow rich (the) : the practical steps to transforming your desires into riches . USA: Sourcebooks, Inc.

Gaya MLA

Hill, Napoleon. "The 5 Essential principles of think and grow rich (the) : the practical steps to transforming your desires into riches". USA: Sourcebooks, Inc, 2018. Text.