Tuntutan Filipina ke atas Borneo Utara - Nik Anuar Nik Mahmud (Bangi : Penerbit Universiti Kebangsaan Malaysia, 2001)
Rujukan : p. 117-119.
Koleksi sumbangan Prof. Dr. Ding Choo Ming.
Keywords: Sabah -- International status; Malaysia -- Foreign relations -- Philippines; Philippines -- Foreign relations -- Malaysia