Apan, A. A. (1999). GIS applications in tropical forestry: Monography. Faculty of Engineering and Surveying, The University of Southern Queensland.
Citazione stile Chigago Style (17a edizione)Apan, Armando A. GIS Applications in Tropical Forestry: Monography. Toowoomba, Queensland, Australia: Faculty of Engineering and Surveying, The University of Southern Queensland, 1999.
Citatione MLA (9a ed.)Apan, Armando A. GIS Applications in Tropical Forestry: Monography. Faculty of Engineering and Surveying, The University of Southern Queensland, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.