Παραπομπή σε μορφή APA (7η εκδ.)

Laverde Albarracín, C., Vallejo Torres, C., Bustillos Molina, I., Aguilera Vidal, H., & Carrillo Escobar, P. L. (2018). Effect at lumbar spine of workers when pushing rail cars loaded with fresh fruit bunches of oil palm.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Laverde Albarracín, Cristian, Christian Vallejo Torres, Irene Bustillos Molina, Henry Aguilera Vidal, και Patricio Leonidas Carrillo Escobar. Effect at Lumbar Spine of Workers When Pushing Rail Cars Loaded with Fresh Fruit Bunches of Oil Palm. 2018.

Παραπομπή σε μορφή MLA (9th εκδ.)

Laverde Albarracín, Cristian, et al. Effect at Lumbar Spine of Workers When Pushing Rail Cars Loaded with Fresh Fruit Bunches of Oil Palm. 2018.