Gaya APA
Schuller, Robert H.. (1984).
Tough Times Never Last, But Tough People Do! .
Connecticut:
Twenty-Third Publications.
Gaya Chicago
Schuller, Robert H..
Tough Times Never Last, But Tough People Do!.
Connecticut:
Twenty-Third Publications,
1984.
Text.
Gaya MLA
Schuller, Robert H..
Tough Times Never Last, But Tough People Do!.
Connecticut:
Twenty-Third Publications,
1984.
Text.
Gaya Turabian
Schuller, Robert H..
Tough Times Never Last, But Tough People Do!.
Connecticut:
Twenty-Third Publications,
1984.
Print.