(美)艾米丽·奥斯特(Emily Oster)著. (2020). 一个经济学家的怀孕指南：为什么有些传统智慧是错的，以及你真正需要知道的：why the conventional pregnancy wisdom is wrong and what you really need to know. 中信出版集团股份有限公司.
Citação do estilo Chicago (17ª ed.)(美)艾米丽·奥斯特(Emily Oster)著. 一个经济学家的怀孕指南：为什么有些传统智慧是错的，以及你真正需要知道的：why the Conventional Pregnancy Wisdom Is Wrong and What You Really Need to Know. 中信出版集团股份有限公司, 2020.
Citação MLA (8ª ed.)(美)艾米丽·奥斯特(Emily Oster)著. 一个经济学家的怀孕指南：为什么有些传统智慧是错的，以及你真正需要知道的：why the Conventional Pregnancy Wisdom Is Wrong and What You Really Need to Know. 中信出版集团股份有限公司, 2020.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.