Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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