Alexander, L. G. (1967). Developing skills: An integrated course for intermediate students (1a. ed.). Longmans, Green and Co.
Citace podle Chicago (17th ed.)Alexander, Louis George. Developing Skills: An Integrated Course for Intermediate Students. 1a. ed. Londres: Longmans, Green and Co, 1967.
Citace podle MLA (9th ed.)Alexander, Louis George. Developing Skills: An Integrated Course for Intermediate Students. 1a. ed. Longmans, Green and Co, 1967.
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