APA-čujuhus (7. p.)

Heller, L. (1981). Emergencies in ginecology and obstretrics. Year Book Medical.

Chicago-čujuhus (17. p.)

Heller, Luz. Emergencies in Ginecology and Obstretrics. Year Book Medical, 1981.

MLA-čujuhus (9. p.)

Heller, Luz. Emergencies in Ginecology and Obstretrics. Year Book Medical, 1981.

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