Shackley, M. (1998). Visitor management: Case studies from world heritage sites. Butterworth Heinemnn.
Chicago (17e ed.) BronvermeldingShackley, Myra. Visitor Management: Case Studies from World Heritage Sites. Oxford: Butterworth Heinemnn, 1998.
MLA (9e ed.) BronvermeldingShackley, Myra. Visitor Management: Case Studies from World Heritage Sites. Butterworth Heinemnn, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.