Gaya APA

Nugraha, T, &, D, S. (2012). Seri Sains Energi Terbarukan: Sel Bahan Bakar ( Fuel Cell ) (Cet.1). : Pelangi.

Gaya MLA

Nugraha, Tutun, &, Didik, Sunardi. "Seri Sains Energi Terbarukan: Sel Bahan Bakar ( Fuel Cell )". Cet.1 : Pelangi, 2012. Printed Book.