Gaya APA
Rubin, Gretchen. (2011).
The Happiness Project : Or, Why I Spent A Year Trying To Sing In The Morning, Clean My Closets, Fight Right, Read Aristotle, And Generally Have More Fun .
New York:
Harper Collins.
Gaya Chicago
Rubin, Gretchen.
The Happiness Project : Or, Why I Spent A Year Trying To Sing In The Morning, Clean My Closets, Fight Right, Read Aristotle, And Generally Have More Fun.
New York:
Harper Collins,
2011.
Text.
Gaya MLA
Rubin, Gretchen.
The Happiness Project : Or, Why I Spent A Year Trying To Sing In The Morning, Clean My Closets, Fight Right, Read Aristotle, And Generally Have More Fun.
New York:
Harper Collins,
2011.
Text.
Gaya Turabian
Rubin, Gretchen.
The Happiness Project : Or, Why I Spent A Year Trying To Sing In The Morning, Clean My Closets, Fight Right, Read Aristotle, And Generally Have More Fun.
New York:
Harper Collins,
2011.
Print.