APA-ийн эшлэл(7 дахь хэвлэлт)
Norberg, J. (2013). Full steam ahead: Purdue mechanical engineering yesterday, today and tomorrow. Purdue University.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Norberg, John. Full Steam Ahead: Purdue Mechanical Engineering Yesterday, Today and Tomorrow. [Place of publication not identified]: Purdue University, 2013.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Norberg, John. Full Steam Ahead: Purdue Mechanical Engineering Yesterday, Today and Tomorrow. Purdue University, 2013.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.