Gaya APA

Botsford, G, W., Botsford, J, B, A. (2018). A Brief History of The WorldrnSejarah Ringkas Dunia . Yogyakarta: Alexander Books.

Gaya MLA

Botsford, George, Willis., Botsford, Jay, Barrett, A.M.. "A Brief History of The WorldrnSejarah Ringkas Dunia". Yogyakarta: Alexander Books, 2018. Text.