APA (7th ed.) Zitazioa
Sheridan, M., & Kotrla, K. (2017). They ask you answer: A revolutionary approach to inbound sales, content marketing, and today's digital consumer. Wiley.
Chicago Style (17th ed.) Zitazioa
Sheridan, Marcus, eta Krista Kotrla. They Ask You Answer: A Revolutionary Approach to Inbound Sales, Content Marketing, and Today's Digital Consumer. Hoboken, New Jersey: Wiley, 2017.
MLA (9th ed.) Zitazioa
Sheridan, Marcus, eta Krista Kotrla. They Ask You Answer: A Revolutionary Approach to Inbound Sales, Content Marketing, and Today's Digital Consumer. Wiley, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.