Dyfyniad APA

Jeugd, H. v. d. (1999). Life history decisions in a changing environment: A long-term study of a temperate barnacle goose population. [Universitatis Upsaliensis].

Dyfyniad Arddull Chicago

Jeugd, Henk van der. Life History Decisions in a Changing Environment: A Long-term Study of a Temperate Barnacle Goose Population. Uppsala: [Universitatis Upsaliensis], 1999.

Dyfyniad MLA

Jeugd, Henk van der. Life History Decisions in a Changing Environment: A Long-term Study of a Temperate Barnacle Goose Population. [Universitatis Upsaliensis], 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.