APA-viite

Thorpe, E., & Thorpe, S. (2019). General studies: General knowledge and current affairs. Pearson India education services Pvt Ltd.

Chicago-tyylinen lähdeviittaus

Thorpe, Edgar, ja Showick Thorpe. General Studies: General Knowledge and Current Affairs. Noida: Pearson India education services Pvt Ltd, 2019.

MLA-viite

Thorpe, Edgar, ja Showick Thorpe. General Studies: General Knowledge and Current Affairs. Pearson India education services Pvt Ltd, 2019.