Sanny Poespo, author
Gramedia Pustaka Utama, 2006
Buku Referensi
Sondakh, Sonya, author
Red & White Publishing, 2017
Buku Referensi
Peranginagin, Sarah Malemta, author
Fakultas Teknik Universitas Indonesia, 2023
UI - Skripsi Membership
Therik, Jes A., author
Pustaka Sinar Harapan, 1989
Buku Referensi
Erizal Mahatama, author
Universitas Indonesia, 2009
UI - Tesis (Open)