APA (7th ed.) Citation

Zein, D. (2015). Trigonometri. Alfabeta.

Chicago Style (17th ed.) Citation

Zein, Dr.Fathurin. Trigonometri. Alfabeta, 2015.

MLA (8th ed.) Citation

Zein, Dr.Fathurin. Trigonometri. Alfabeta, 2015.

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