APA (7e ed.) Bronvermelding

Pag-iwayan, J. Building eco-friendly, sustainable play areas. Manila Bulletin.

Chicago (17e ed.) Bronvermelding

Pag-iwayan, Jessica. "Building Eco-friendly, Sustainable Play Areas." Manila Bulletin .

MLA (9e ed.) Bronvermelding

Pag-iwayan, Jessica. "Building Eco-friendly, Sustainable Play Areas." Manila Bulletin, .

Let op: Deze citaties zijn niet altijd 100% accuraat.