Gaya APA

Almond, P, R. (2012). Cobalt blues : the story of Leonard Grimmett, the man behind the first Cobalt-60 unit in the United States . New York: Springer.

Gaya MLA

Almond, Peter, R.. "Cobalt blues : the story of Leonard Grimmett, the man behind the first Cobalt-60 unit in the United States". New York: Springer, 2012. Electronic Resource.