Cita APA (7th ed.)

ebrary, Inc, & Zhang, W. (2012). Grasslands: Types, biodiversity and impacts. Nova Science Publishers.

Cita Chicago (17th ed.)

ebrary, Inc, i Wen-Jun Zhang. Grasslands: Types, Biodiversity and Impacts. Hauppauge, N.Y.: Nova Science Publishers, 2012.

Cita MLA (9th ed.)

ebrary, Inc, i Wen-Jun Zhang. Grasslands: Types, Biodiversity and Impacts. Nova Science Publishers, 2012.