APA (7th ed.) Citation

Hakim, L. (2007). Upgrade Yourself: Biar Masa Mudamu Nggak Sia-sia. Era Intermedia.

Chicago Style (17th ed.) Citation

Hakim, Lukman. Upgrade Yourself: Biar Masa Mudamu Nggak Sia-sia. Era Intermedia, 2007.

MLA (8th ed.) Citation

Hakim, Lukman. Upgrade Yourself: Biar Masa Mudamu Nggak Sia-sia. Era Intermedia, 2007.

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