Lua APA (7ú heag.)

Não informado. (1888). Bulletin of the North Carolina Agricultural Experiment Station. North Carolina State University of Raleigh.

Lua i Stíl Chicago (17ú heag.)

Não informado. Bulletin of the North Carolina Agricultural Experiment Station. Raleigh, NC: North Carolina State University of Raleigh, 1888.

Lua MLA (8ú heag.)

Não informado. Bulletin of the North Carolina Agricultural Experiment Station. North Carolina State University of Raleigh, 1888.

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