Citazione Stile APA (7a Edizione)

Lado, R., & Fries, C. C. (1958). English pattern practices. Establishing the patterns as habits. The University of Michigan.

Citazione stile Chigago Style (17a edizione)

Lado, Robert, e Charles C. Fries. English Pattern Practices. Establishing the Patterns as Habits. Ann Arbor: The University of Michigan, 1958.

Citatione MLA (9a ed.)

Lado, Robert, e Charles C. Fries. English Pattern Practices. Establishing the Patterns as Habits. The University of Michigan, 1958.