(1993). Shell artists reunion: The spirit of the Shell Art Competition Winners (1951-1992). Philippines Shell Petroleum Corporation.
Chicago Style (17th ed.) CitationShell Artists Reunion: The Spirit of the Shell Art Competition Winners (1951-1992). Makati, Metro Manila: Philippines Shell Petroleum Corporation, 1993.
ציטוט MLAShell Artists Reunion: The Spirit of the Shell Art Competition Winners (1951-1992). Philippines Shell Petroleum Corporation, 1993.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.