Gaya APA

Guyatt, G. et al (2008). Ebook : User Guides To The Medical literatur a Manual for Evidence Base Clinical practice (Edisi 2). Amerika: Mc Graw-Hill.

Gaya MLA

Guyatt, Gordon. et al. "Ebook : User Guides To The Medical literatur a Manual for Evidence Base Clinical practice". Edisi 2 Amerika: Mc Graw-Hill, 2008. Electronic Resource.