Johnson, E. B. (2012). Contextual TEaching and Learning: What it is and Why IT's Here to stay = Contextual Teaching And Learning (CTL) : Menjadikan Kegiatan Belajar Mengajar Mengasyikkan dan Bermakna. Kaifa.
Trích dẫn kiểu ChicagoJohnson, Elaine B. Contextual TEaching and Learning: What It Is and Why IT's Here to Stay = Contextual Teaching And Learning (CTL) : Menjadikan Kegiatan Belajar Mengajar Mengasyikkan Dan Bermakna. Kaifa, 2012.
Trích dẫn MLAJohnson, Elaine B. Contextual TEaching and Learning: What It Is and Why IT's Here to Stay = Contextual Teaching And Learning (CTL) : Menjadikan Kegiatan Belajar Mengajar Mengasyikkan Dan Bermakna. Kaifa, 2012.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.