Παραπομπή σε μορφή APA (7η εκδ.)

Alas, G. M. A., Gilles, J. G. R., Tan, A. G. B., & Pormon, M. M. M. (2017). On perceived effectiveness of graphic warning labels: Willingness to quit of adult smokers in Balangiga, Eastern Samar.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Alas, Geraldine Mae A., Jenny Grace R. Gilles, Analyn Grace B. Tan, και Miah Maye M. Pormon. On Perceived Effectiveness of Graphic Warning Labels: Willingness to Quit of Adult Smokers in Balangiga, Eastern Samar. 2017.

Παραπομπή σε μορφή MLA (9th εκδ.)

Alas, Geraldine Mae A., et al. On Perceived Effectiveness of Graphic Warning Labels: Willingness to Quit of Adult Smokers in Balangiga, Eastern Samar. 2017.