APA (7e ed.) Bronvermelding
Shaffer, J. N. (2007). Protect your great ideas for free!: Free steps for protecting the valuable ideas generated by every business owner, entreprenuer [sic], inventor, author, and artist. Maximum Press.
Chicago (17e ed.) Bronvermelding
Shaffer, J. Nevin. Protect Your Great Ideas for Free!: Free Steps for Protecting the Valuable Ideas Generated by Every Business Owner, Entreprenuer [sic], Inventor, Author, and Artist. Gulf Breeze, FL: Maximum Press, 2007.
MLA (9e ed.) Bronvermelding
Shaffer, J. Nevin. Protect Your Great Ideas for Free!: Free Steps for Protecting the Valuable Ideas Generated by Every Business Owner, Entreprenuer [sic], Inventor, Author, and Artist. Maximum Press, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.