APA-ийн эшлэл(7 дахь хэвлэлт)

Greenaway, D., & Milner, C. (1979). Protectionism again?: Causes and consequences of a retreat from freer trade. Institute of Economic Affairs.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Greenaway, David, ба Christopher Milner. Protectionism Again?: Causes and Consequences of a Retreat from Freer Trade. London: Institute of Economic Affairs, 1979.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Greenaway, David, ба Christopher Milner. Protectionism Again?: Causes and Consequences of a Retreat from Freer Trade. Institute of Economic Affairs, 1979.