Swanenburg, BD
Utrecht W De Haan 1950
Buku Teks
John Murray , 1976
Buku Teks SO
Derry, Gregory N.
Princeton University Press , 1999
Buku Teks SO
Feynman, Richard Phillips
Perseus Books , 1999
Buku Teks SO
Menard, Henry W.
Massachusetts Harvard University Press , 1971
Buku Teks SO