APA

Liu W., Nottebohm F., . (20051229). Variable rate of singing and variable song duration are associated with high immediate early gene expression in two anterior forebrain song nuclei. : Proceedings of the National Academy of Sciences of the United States of America.

Chicago

Liu Wan-chun, Nottebohm Fernando, . 20051229. Variable rate of singing and variable song duration are associated with high immediate early gene expression in two anterior forebrain song nuclei. : Proceedings of the National Academy of Sciences of the United States of America.

Harvard

Liu W., Nottebohm F., . (20051229). Variable rate of singing and variable song duration are associated with high immediate early gene expression in two anterior forebrain song nuclei. : Proceedings of the National Academy of Sciences of the United States of America.

MLA

Liu Wan-chun, Nottebohm Fernando, . Variable rate of singing and variable song duration are associated with high immediate early gene expression in two anterior forebrain song nuclei. : Proceedings of the National Academy of Sciences of the United States of America. 20051229.