APA-ийн эшлэл(7 дахь хэвлэлт)

Porpora, D. V. (1990). How holocausts happen: The United States in Central America. Temple University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Porpora, Douglas V. How Holocausts Happen: The United States in Central America. Philadelphia: Temple University Press, 1990.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Porpora, Douglas V. How Holocausts Happen: The United States in Central America. Temple University Press, 1990.