Gaya APA

Hughes, David W.. (2017). Astronomy Book, The: Big Ideas Simply Explained . New York: DK Publishing.

Gaya Chicago

Hughes, David W.. Astronomy Book, The: Big Ideas Simply Explained. New York: DK Publishing, 2017. Referensi.

Gaya MLA

Hughes, David W.. Astronomy Book, The: Big Ideas Simply Explained. New York: DK Publishing, 2017. Referensi.

Gaya Turabian

Hughes, David W.. Astronomy Book, The: Big Ideas Simply Explained. New York: DK Publishing, 2017. Referensi.