Stone, R. H. A tropical nature study: A reference book for use in the preparation of a nature diary.
Cita Chicago (17th ed.)Stone, R. H. A Tropical Nature Study: A Reference Book for Use in the Preparation of a Nature Diary. 1964.
Cita MLA (9th ed.)Stone, R. H. A Tropical Nature Study: A Reference Book for Use in the Preparation of a Nature Diary.
Atenció: Aquestes cites poden no estar 100% correctes.