APA (7th ed.) Citation

Purwoko & H, F. (2009). Physics 1 for senior high school year X. Yudistira.

Chicago Style (17th ed.) Citation

Purwoko and Fendi H. Physics 1 for Senior High School Year X. Yudistira, 2009.

MLA (8th ed.) Citation

Purwoko and Fendi H. Physics 1 for Senior High School Year X. Yudistira, 2009.

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