APA Style

MAYFIELD, Connie E.. (2013). Theory Essentials : An Integrated Approach to Harmony, Ear Training, and Keyboard Skills (Edisi ke- 2). United States: Schirmer/Cengage Learning.

Chicago Style

MAYFIELD, Connie E.. Theory Essentials : An Integrated Approach to Harmony, Ear Training, and Keyboard Skills. Edisi ke- 2 United States: Schirmer/Cengage Learning, 2013. Text.

MLA Style

MAYFIELD, Connie E.. Theory Essentials : An Integrated Approach to Harmony, Ear Training, and Keyboard Skills. Edisi ke- 2 United States: Schirmer/Cengage Learning, 2013. Text.

Turabian Style

MAYFIELD, Connie E.. Theory Essentials : An Integrated Approach to Harmony, Ear Training, and Keyboard Skills. Edisi ke- 2 United States: Schirmer/Cengage Learning, 2013. Print.