Philippines. Regional Development Council. Region XI & Philippines. National Statistical Coordination Board. Regional Statistical Coordination Committee XI. (2002). Davao region statistical yearbook: DRSY. Regional Development Council XI Regional Statistical Coordination Committee XI, National Statistical Coordination Board XI.
Chicago Style (17th ed.) CitationPhilippines. Regional Development Council. Region XI and Philippines. National Statistical Coordination Board. Regional Statistical Coordination Committee XI. Davao Region Statistical Yearbook: DRSY. Davao City: Regional Development Council XI Regional Statistical Coordination Committee XI, National Statistical Coordination Board XI, 2002.
MLA (9th ed.) CitationPhilippines. Regional Development Council. Region XI and Philippines. National Statistical Coordination Board. Regional Statistical Coordination Committee XI. Davao Region Statistical Yearbook: DRSY. Regional Development Council XI Regional Statistical Coordination Committee XI, National Statistical Coordination Board XI, 2002.