Παραπομπή σε μορφή APA (7η εκδ.)

Chen, Y., Dai, Y., Song, J., Wei, L., Ma, Y., Tian, N., . . . Liu, R. (2019). Establishment of a risk assessment tool for pregnancy-associated venous thromboembolism and its clinical application: Protocol for a prospective observational study in Beijing. BMC.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chen, Yi, et al. Establishment of a Risk Assessment Tool for Pregnancy-associated Venous Thromboembolism and Its Clinical Application: Protocol for a Prospective Observational Study in Beijing. BMC, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Chen, Yi, et al. Establishment of a Risk Assessment Tool for Pregnancy-associated Venous Thromboembolism and Its Clinical Application: Protocol for a Prospective Observational Study in Beijing. BMC, 2019.