Gaya APA

Varney, Helen. (1980). Nurse-Midwifery . : .

Gaya Chicago

Varney, Helen. Nurse-Midwifery. : , 1980. Textbook.

Gaya MLA

Varney, Helen. Nurse-Midwifery. : , 1980. Textbook.

Gaya Turabian

Varney, Helen. Nurse-Midwifery. : , 1980. Textbook.