Sack, F. L. (1954). The structure of English: A practical grammar for foreign students. A. Francke.
Chicago Style (17th ed.) CitationSack, Friedrich Leopold. The Structure of English: A Practical Grammar for Foreign Students. Berne: A. Francke, 1954.
MLA (9th ed.) CitationSack, Friedrich Leopold. The Structure of English: A Practical Grammar for Foreign Students. A. Francke, 1954.
Warning: These citations may not always be 100% accurate.