Muirden, James
The amateur astronomer's handbook
Crowell, 1968
Buku Referensi
Vesterman, William
Readings for the 21st century / William Vesterman and Josh Ozersky
[publisher not identified], [date of publication not identified]
Buku Teks
Cavin, Jerry D.
The amateur astronomer’s guide to the deep-sky catalogs
Springer, 2012
eBooks
Launay, Françoise
The astronomer Jules Janssen : a globetrotter of celestial physics
[Springer, ], 2012
eBooks
CD-ROM search techniques of novice End-Users: is the english-as-a-second-language student at a disadvantage? Diane DiMartino,William J.Ferns,Sharon Swacker
Artikel Jurnal