Penggayaan APA

Johnson, Sandy A.. (2017). Challenges in Health and Development (2nd ed.). Cham: Springers.

Chicago Style

Johnson, Sandy A.. Challenges in Health and Development. 2nd ed. Cham: Springers, 2017. E Book.

MLA Style

Johnson, Sandy A.. Challenges in Health and Development. 2nd ed. Cham: Springers, 2017. E Book.

Turabian Style

Johnson, Sandy A.. Challenges in Health and Development. 2nd ed. Cham: Springers, 2017. E Book.