Gaya APA
Tinbergen, N. (1942).
An objectivistic study of the innate behaviour of animals. (With 6 figs). .
Leiden:
Brill.
Gaya MLA
Tinbergen, N..
"An objectivistic study of the innate behaviour of animals. (With 6 figs). ".
Leiden:
Brill,
1942.
Buku.