Needham, A. E. (1964). The growth process in animals. Van Nostrand.
Lua i Stíl Chicago (17ú heag.)Needham, Arthur E. The Growth Process in Animals. Princeton, N.J: Van Nostrand, 1964.
Lua MLA (9ú heag.)Needham, Arthur E. The Growth Process in Animals. Van Nostrand, 1964.
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