Gaya APA

Yamauchi, E, M. (1982). Foes from the Northern Frontier Invading Hordes from the Russian Steppes (1). Grand Rapids: Baker Books.

Gaya MLA

Yamauchi, Edwin, M.. "Foes from the Northern Frontier Invading Hordes from the Russian Steppes". 1 Grand Rapids: Baker Books, 1982. Text.