Gaya APA

Sectoral Agenda 21 : tourism agenda for developing sustainable quality of life [sumber elektronik] / editors by Saut M. Lubis......[et al.]. (2001). : .

Gaya MLA

Sectoral Agenda 21 : tourism agenda for developing sustainable quality of life [sumber elektronik] / editors by Saut M. Lubis......[et al.]. . : , 2001. Text.