APA-referens (7:e uppl.)

Gómez Galán, M., Carreño Ortega, A., López Martínez, J., & Callejón Ferre, Á. J. (2020). Solving Power Balance Problems in Single-Traction Tractors Using PTractor Plus 1.1, a Possible Learning Aid for Students of Agricultural Engineering. MDPI.

Chicago-referens (17:e uppl.)

Gómez Galán, Marta, Angel Carreño Ortega, Javier López Martínez, och Ángel Jesús Callejón Ferre. Solving Power Balance Problems in Single-Traction Tractors Using PTractor Plus 1.1, a Possible Learning Aid for Students of Agricultural Engineering. MDPI, 2020.

MLA-referens (8:e uppl.)

Gómez Galán, Marta, et al. Solving Power Balance Problems in Single-Traction Tractors Using PTractor Plus 1.1, a Possible Learning Aid for Students of Agricultural Engineering. MDPI, 2020.