Supama, M. L. (2012). Ketua lingkungan di era sibuk. Kanisius.
Chicago Style (17th ed.) CitationSupama, Marcus Leonhard. Ketua Lingkungan Di Era Sibuk. Kanisius, 2012.
MLA (8th ed.) CitationSupama, Marcus Leonhard. Ketua Lingkungan Di Era Sibuk. Kanisius, 2012.
Warning: These citations may not always be 100% accurate.