Παραπομπή σε μορφή APA (7η εκδ.)

Mulat, S., Worku, W., & Minyihun, A. (2019). Willingness to pay for improved solid waste management and associated factors among households in Injibara town, Northwest Ethiopia. BMC.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mulat, Selamawit, Walelegn Worku, και Amare Minyihun. Willingness to Pay for Improved Solid Waste Management and Associated Factors Among Households in Injibara Town, Northwest Ethiopia. BMC, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Mulat, Selamawit, et al. Willingness to Pay for Improved Solid Waste Management and Associated Factors Among Households in Injibara Town, Northwest Ethiopia. BMC, 2019.