Lehmann, Winfred P., author
Random House, 1976
Buku Teks
Gleason, H.A., author
Holt, Rinehart and Winston, 1955
Buku Teks
Gleason, Henry Allan
Holt, Rinehard, 1963
Buku Teks
Hazen, Kirk, author
Massachusetts : Wiley Blackwell, 2015
Buku Teks
Sturtevant, Edgar H., author
Yale University Press, 1947
Buku Teks