Heath, D. A. (1985). Research. How to plan, speak and write about it. Springer.
Citace podle Chicago (17th ed.)Heath, David A. Research. How to Plan, Speak and Write About It. Berlin: Springer, 1985.
Citace podle MLA (9th ed.)Heath, David A. Research. How to Plan, Speak and Write About It. Springer, 1985.
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