Gaya APA
Ghafur, W, A., Abduh, R. (2007).
Spiritualitas lingkungan dan ekonomi industri .
Yogyakarta:
Centre for Religious and Socio-Cultural Diversity.
Gaya MLA
Ghafur, Waryono, Abdul., Abduh, Rifa'i.
"Spiritualitas lingkungan dan ekonomi industri".
Yogyakarta:
Centre for Religious and Socio-Cultural Diversity,
2007.
Text.