APA Баримт

Alvarez, W. 1. (1997). T. rex and the crater of doom. Princeton University Press.

Чикаго маягийн жагсаалт

Alvarez, Walter 1940. T. Rex and the Crater of Doom. Princeton, N.J: Princeton University Press, 1997.

MLA ишлэл

Alvarez, Walter 1940. T. Rex and the Crater of Doom. Princeton University Press, 1997.