توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Hal Leonard Corporation. (2019). Songs from "A star is born, La la land, The greatest showman" and more movie musicals: 20 songs from 8 hit movies (Easy piano.). Hal Leonard.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Hal Leonard Corporation. Songs from "A Star Is Born, La La Land, The Greatest Showman" and More Movie Musicals: 20 Songs from 8 Hit Movies. Easy piano. Milwaukee, WI: Hal Leonard, 2019.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Hal Leonard Corporation. Songs from "A Star Is Born, La La Land, The Greatest Showman" and More Movie Musicals: 20 Songs from 8 Hit Movies. Easy piano. Hal Leonard, 2019.