APA

Briggs G. G., Freemman R. K. & Yaffe S. J. (2002). A reference guide to fetal and neonatal risk drugs in pregnancy and lactation. : Lippincott Williams & Wilkins.

Chicago

Briggs Gerald G, Freemman Roger K and Yaffe Sumner J. 2002. A reference guide to fetal and neonatal risk drugs in pregnancy and lactation. : Lippincott Williams & Wilkins.

Harvard

Briggs G. G., Freemman R. K. and Yaffe S. J. (2002). A reference guide to fetal and neonatal risk drugs in pregnancy and lactation. : Lippincott Williams & Wilkins.

MLA

Briggs Gerald G, Freemman Roger K and Yaffe Sumner J. A reference guide to fetal and neonatal risk drugs in pregnancy and lactation. : Lippincott Williams & Wilkins. 2002.