Vernadsky, George
Yele University Press, 1953
Buku Teks
Lawrence, John
Farrar Straus & Cudahy, 1959
Buku Teks
Wallace, Robert, author
Time-Life Books, 1967
Buku Teks
Remington, Thomas F., 1948-, author
Pearson Longman, 2012
Buku Teks
Riasanovsky, Nicholas V., author
Oxford University Press, 1963
Buku Teks