APA (7e ed.) Bronvermelding

Não informado. AAPA advisory. American Association of Port Authorities.

Chicago (17e ed.) Bronvermelding

Não informado. AAPA Advisory. Washington: American Association of Port Authorities.

MLA (8e ed.) Bronvermelding

Não informado. AAPA Advisory. American Association of Port Authorities.

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