Gaya APA

An, Y., Reigeluth, C, M. (2021). Merging the instructional design process with learner-centered theory : the holistic 4D model . New York: Routledge.

Gaya MLA

An, Yunjo., Reigeluth, Charles, M.. "Merging the instructional design process with learner-centered theory : the holistic 4D model". New York: Routledge, 2021. Buku.