APA-ийн эшлэл(7 дахь хэвлэлт)
Powell, D. (1966). Liverpool: An international magazine about Liverpool - its industry - its people. Public Relations Department.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Powell, Derek. Liverpool: An International Magazine About Liverpool - Its Industry - Its People. Liverpool: Public Relations Department, 1966.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Powell, Derek. Liverpool: An International Magazine About Liverpool - Its Industry - Its People. Public Relations Department, 1966.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.