Samson, Gerald
Warning lights of ASia
Robert Hale, 1940
Buku Teks
Murphy, Wendy B.
Gardening under lights
Time-Life Books, 1978
Buku Referensi
Lights! camera! action!
Artikel Jurnal
Einstein, Albert, 1879-1955
Side lights on relativity
Dover, 1992
Buku Teks
Chamberlain, Rudolph W.
Beacon lights of literature: book one
Iroquois, 1940
Buku Teks