APA (7th ed.) Citation

Hartoko, A. (2017). Top 150 Formula Excel. Elex Media Komputindo.

Chicago Style (17th ed.) Citation

Hartoko, Alfa. Top 150 Formula Excel. Elex Media Komputindo, 2017.

MLA (8th ed.) Citation

Hartoko, Alfa. Top 150 Formula Excel. Elex Media Komputindo, 2017.

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