APA-ийн эшлэл(7 дахь хэвлэлт)
G.K.Publications. (2015). RRB senior section engineer recruitment examination: Civil engineering. G.K.Publications.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
G.K.Publications. RRB Senior Section Engineer Recruitment Examination: Civil Engineering. Noida: G.K.Publications, 2015.
MLA -ийн эшлэл (9 дэх хэвлэлт)
G.K.Publications. RRB Senior Section Engineer Recruitment Examination: Civil Engineering. G.K.Publications, 2015.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.