APA Citation

Sri Hartono, & Penta Hapsari. (2008). Ayo belajar matematika. Yogyakarta: Kanisius.

Chicago Style Citation

Sri Hartono, and Penta Hapsari. Ayo Belajar Matematika. Yogyakarta: Kanisius, 2008.

MLA Citation

Sri Hartono, and Penta Hapsari. Ayo Belajar Matematika. Yogyakarta: Kanisius, 2008.

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