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