Παραπομπή σε μορφή APA (7η εκδ.)

Trigo, A., Marta-Costa, A., & Fragoso, R. (2021). Principles of Sustainable Agriculture: Defining Standardized Reference Points. https://doi.org/10.3390/su13084086

Παραπομπή σε μορφή Chicago (17η εκδ.)

Trigo, Ana, Ana Marta-Costa, και Rui Fragoso. Principles of Sustainable Agriculture: Defining Standardized Reference Points. 2021. https://doi.org/10.3390/su13084086.

Παραπομπή σε μορφή MLA (9th εκδ.)

Trigo, Ana, et al. Principles of Sustainable Agriculture: Defining Standardized Reference Points. 2021. https://doi.org/10.3390/su13084086.