Willard A. Hanna & Des Alwi, "Ternate and Tidore, The Past Tough Flares" , Pustaka Sinar Harapan Jakarta 1996.
Willard A. Hanna & Des Alwi, "Ternate dan Tidore, Masa Lalu Penuh Gejolak", Pustaka Sinar Harapan Jakarta 1996.