APA aipamena

Johnson, R. T. (1971). Advances in sugarbeet production: Principles and practices. Iowa state University Press.

Chicago Style aipamena

Johnson, R T. Advances in Sugarbeet Production: Principles and Practices. Iowa: Iowa state University Press, 1971.

MLA aipamena

Johnson, R T. Advances in Sugarbeet Production: Principles and Practices. Iowa state University Press, 1971.