Gaya APA

Issac, B, M., Kroll, P. (940). Agility and Discipline Made Easy Practices From Open Up and Rup . United State of America: Pearson Addison Wesley.

Gaya MLA

Issac, Bruce, Mac., Kroll, Per. "Agility and Discipline Made Easy Practices From Open Up and Rup". United State of America: Pearson Addison Wesley, 940. Text.