APA-referens (7:e uppl.)

Sierra, K., Bates, B., & Robson, E. (2018). OCP Java SE 8 programmer II exam guide (Exams 1Z0-809) (Seventh edition.). McGraw-Hill Education.

Chicago-referens (17:e uppl.)

Sierra, Kathy, Bert Bates, och Elisabeth Robson. OCP Java SE 8 Programmer II Exam Guide (Exams 1Z0-809). Seventh edition. New York ; India: McGraw-Hill Education, 2018.

MLA-referens (8:e uppl.)

Sierra, Kathy, et al. OCP Java SE 8 Programmer II Exam Guide (Exams 1Z0-809). Seventh edition. McGraw-Hill Education, 2018.