(1972). Pre-feasibility study of Davao-Calinan-Bukidnon road. Planning and Project Development Office.
Chicago Style (17th ed.) CitationPre-feasibility Study of Davao-Calinan-Bukidnon Road. Manila: Planning and Project Development Office, 1972.
ציטוט MLAPre-feasibility Study of Davao-Calinan-Bukidnon Road. Planning and Project Development Office, 1972.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.