APA-ийн эшлэл(7 дахь хэвлэлт)

(1984). Drilling and production under title I of the Natural Gas Policy Act / Energy Information Administration, Office of Oil and Gas, U.S. Department of Energy.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Drilling and Production Under Title I of the Natural Gas Policy Act / Energy Information Administration, Office of Oil and Gas, U.S. Department of Energy. 1984.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Drilling and Production Under Title I of the Natural Gas Policy Act / Energy Information Administration, Office of Oil and Gas, U.S. Department of Energy. 1984.

Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.