Dyfyniad APA

Tyson,Neil deGrasse. (2017). Astrophysics for people in a hurry. Maine : Thorndike Press, a part of Gale, a Cengage Company.

Dyfyniad Arddull Chicago

Tyson,Neil deGrasse. Astrophysics for People in a Hurry. Waterville: Maine : Thorndike Press, a part of Gale, a Cengage Company, 2017.

Dyfyniad MLA

Tyson,Neil deGrasse. Astrophysics for People in a Hurry. Maine : Thorndike Press, a part of Gale, a Cengage Company, 2017.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.