Wearing, S., Schweinsberg, S., & Tower, J. (2016). Marketing national parks for sustainable tourism. Channel View Publications.
Cita Chicago (17th ed.)Wearing, Stephen, Stephen Schweinsberg, i John Tower. Marketing National Parks for Sustainable Tourism. Bristol, Buffalo: Channel View Publications, 2016.
Cita MLA (9th ed.)Wearing, Stephen, et al. Marketing National Parks for Sustainable Tourism. Channel View Publications, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.