383593 Leifer, M. (1968). The Philippine claim to Sabah. Zug : Inter Documentation.
Chicagoスタイル(17版)引用形式383593 Leifer, Michael. The Philippine Claim to Sabah. Zug : Inter Documentation, 1968.
MLA(9版)引用形式383593 Leifer, Michael. The Philippine Claim to Sabah. Zug : Inter Documentation, 1968.
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