Gaya APA
Brandt, R, B. (1961).
Value and obligatiob: systematic readings in ethics .
New York:
Harcourt Brace Jovanovich.
Gaya MLA
Brandt, Richard, B.
"Value and obligatiob: systematic readings in ethics".
New York:
Harcourt Brace Jovanovich,
1961.
Text.