Scotland, R. (2000). Are angiosperms firmly rooted?
Cita Chicago (17th ed.)Scotland, R. Are Angiosperms Firmly Rooted? 2000.
Cita MLA (9th ed.)Scotland, R. Are Angiosperms Firmly Rooted? 2000.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)