Ross, A. (2012). All About Extraterrestrial Life. Delhi, India : University Publication : World Technologies.
Citazione stile Chigago Style (17a edizione)Ross, Alena. All About Extraterrestrial Life. Delhi, India : University Publication : World Technologies, 2012.
Citatione MLA (9a ed.)Ross, Alena. All About Extraterrestrial Life. Delhi, India : University Publication : World Technologies, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.