Παραπομπή σε μορφή APA (7η εκδ.)

Thapa, S. (2011). Factors associated with the early discontinuation of intra uterine device: A nested case control study.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Thapa, Subash. Factors Associated with the Early Discontinuation of Intra Uterine Device: A Nested Case Control Study. 2011.

Παραπομπή σε μορφή MLA (8th εκδ.)

Thapa, Subash. Factors Associated with the Early Discontinuation of Intra Uterine Device: A Nested Case Control Study. 2011.