APA引文

Peterson's (Firm : 2006- ). Master the GED. Peterson's.

Chicago Style (17th ed.) Citation

Peterson's (Firm : 2006- ). Master the GED. Lawrenceville, NJ: Peterson's.

MLA引文

Peterson's (Firm : 2006- ). Master the GED. Peterson's.

警告：這些引文格式不一定是100％准確.