APA-ийн эшлэл(7 дахь хэвлэлт)

Doughton, M., & Hooper, J. (2011). Legislation: Health and safety & environmental. Cengage Learning.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Doughton, Malcolm, ба John Hooper. Legislation: Health and Safety & Environmental. Hampshire, England: Cengage Learning, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Doughton, Malcolm, ба John Hooper. Legislation: Health and Safety & Environmental. Cengage Learning, 2011.