Udell, G. G. (1960). Naturalization laws, May 9, 1918-Sept. 22, 1959. Government Print. Off.
Chicagoスタイル(17版)引用形式Udell, Gilman G. Naturalization Laws, May 9, 1918-Sept. 22, 1959. Washington: Government Print. Off, 1960.
MLA(9版)引用形式Udell, Gilman G. Naturalization Laws, May 9, 1918-Sept. 22, 1959. Government Print. Off, 1960.
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