Ramos, D. E. (1998). Walnut production manual. University of California.
Chicagoスタイル(17版)引用形式Ramos, David E. Walnut Production Manual. Berkeley: University of California, 1998.
MLA(9版)引用形式Ramos, David E. Walnut Production Manual. University of California, 1998.
警告: この引用は必ずしも正確ではありません.