Cita APA (7th ed.)
Mills, H. (1974). Commanding sentences. Scott, Foresman.
Cita Chicago (17th ed.)
Mills, Helen. Commanding Sentences. Glenview, Ill.: Scott, Foresman, 1974.
Cita MLA (9th ed.)
Mills, Helen. Commanding Sentences. Scott, Foresman, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.