APA-referens (7:e uppl.)

Vélez, A. G., Peñafiel, P. A., Heredia, M., Barreno, S. N., & Chávez, J. F. (2019). Proposal for The Management System for Domestic Solid Waste in The Waorani Gareno Community of The Ecuadorian Amazon.

Chicago-referens (17:e uppl.)

Vélez, Alberto Germán, Pedro Andrés Peñafiel, Marco Heredia, Stefany Natali Barreno, och Joselyn Fernanda Chávez. Proposal for The Management System for Domestic Solid Waste in The Waorani Gareno Community of The Ecuadorian Amazon. 2019.

MLA-referens (9:e uppl.)

Vélez, Alberto Germán, et al. Proposal for The Management System for Domestic Solid Waste in The Waorani Gareno Community of The Ecuadorian Amazon. 2019.