Gaya APA
life-books, R, T, D, T, E, O, T. (1965 1976).
The Birds life; Nature library .
Nederland:
Time Life International.
Gaya MLA
life-books, Roger, Tery, D.and, The, Editors, Of, Time.
"The Birds life; Nature library".
Nederland:
Time Life International,
1965 1976.
Text.