Gaya APA

Fontana, V, G, A. (2011). Lean six sigma for manufacturing and service industries : Waste elimination and continuous cost reduction . Bogor: Vinchristo Publication.

Gaya MLA

Fontana, Vincent, Gaspersz,, Avanti. "Lean six sigma for manufacturing and service industries : Waste elimination and continuous cost reduction". Bogor: Vinchristo Publication, 2011. Text.