Παραπομπή APA

Pirdel, M., & Pirdel, L. (2009). Perceived Environmental Stressors and Pain Perception During Labor Among Primiparous and Multiparous Women. Avicenna Research Institute.

Παραπομπή Chicago Style

Pirdel, Manizheh, και Leila Pirdel. Perceived Environmental Stressors and Pain Perception During Labor Among Primiparous and Multiparous Women. Avicenna Research Institute, 2009.

Παραπομπή MLA

Pirdel, Manizheh, και Leila Pirdel. Perceived Environmental Stressors and Pain Perception During Labor Among Primiparous and Multiparous Women. Avicenna Research Institute, 2009.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.