APA (7th ed.) Citation

Sudaryono & Raharjo, U. (2012). Langkah mudah belajar kalkulus for IT. Andi.

Chicago Style (17th ed.) Citation

Sudaryono and Untung Raharjo. Langkah Mudah Belajar Kalkulus for IT. Andi, 2012.

MLA (8th ed.) Citation

Sudaryono and Untung Raharjo. Langkah Mudah Belajar Kalkulus for IT. Andi, 2012.

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