APA (7th ed.) Citation

Purwoko & Fendi, H. (2009). Physics 2 for senior high school year XI. Yudistira.

Chicago Style (17th ed.) Citation

Purwoko and H. Fendi. Physics 2 for Senior High School Year XI. Yudistira, 2009.

MLA (8th ed.) Citation

Purwoko and H. Fendi. Physics 2 for Senior High School Year XI. Yudistira, 2009.

Warning: These citations may not always be 100% accurate.