Cita APA (7th ed.)
Gray, M. (2012). Maser sources in astrophysics. Cambridge University Press.
Cita Chicago (17th ed.)
Gray, Malcolm. Maser Sources in Astrophysics. Cambridge ; New York: Cambridge University Press, 2012.
Cita MLA (9th ed.)
Gray, Malcolm. Maser Sources in Astrophysics. Cambridge University Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.