Lopes, J. R. (2015). TONIOL, Rodrigo; STEIL, Carlos A. On the nature trail: Converting the rural into the ecological through a state tourism policy. Hauppauge: Nova Science, 2015. 162 p. Universidade Federal do Rio Grande do Sul.
Citazione stile Chigago Style (17a edizione)Lopes, José Rogério. TONIOL, Rodrigo; STEIL, Carlos A. On the Nature Trail: Converting the Rural into the Ecological Through a State Tourism Policy. Hauppauge: Nova Science, 2015. 162 P. Universidade Federal do Rio Grande do Sul, 2015.
Citatione MLA (9a ed.)Lopes, José Rogério. TONIOL, Rodrigo; STEIL, Carlos A. On the Nature Trail: Converting the Rural into the Ecological Through a State Tourism Policy. Hauppauge: Nova Science, 2015. 162 P. Universidade Federal do Rio Grande do Sul, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.