APA-ийн эшлэл(7 дахь хэвлэлт)

LADO, R., & FRIES, C. C. (1977). English pattern practices: Establishing the patterns ashabits. Ann Arbor.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

LADO, Robert, ба Charles C. FRIES. English Pattern Practices: Establishing the Patterns Ashabits. Michigan: Ann Arbor, 1977.

MLA -ийн эшлэл (9 дэх хэвлэлт)

LADO, Robert, ба Charles C. FRIES. English Pattern Practices: Establishing the Patterns Ashabits. Ann Arbor, 1977.