APA-referens (7:e uppl.)
G.K.Publications. (2015). RRB senior section engineer recruitment examination: Civil engineering. G.K.Publications.
Chicago-referens (17:e uppl.)
G.K.Publications. RRB Senior Section Engineer Recruitment Examination: Civil Engineering. Noida: G.K.Publications, 2015.
MLA-referens (9:e uppl.)
G.K.Publications. RRB Senior Section Engineer Recruitment Examination: Civil Engineering. G.K.Publications, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.