Lado, R. (1961). English sentence patterns: Understanding and producing English grammatical structures. An oral approach (6a. ed.). Ann Arbor-The University of Michigan Press.
Chicago-viite (17. p.)Lado, Robert. English Sentence Patterns: Understanding and Producing English Grammatical Structures. An Oral Approach. 6a. ed. Estados Unidos: Ann Arbor-The University of Michigan Press, 1961.
MLA-viite (9. p.)Lado, Robert. English Sentence Patterns: Understanding and Producing English Grammatical Structures. An Oral Approach. 6a. ed. Ann Arbor-The University of Michigan Press, 1961.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.