Não informado. (1969). Organic Preparations and Procedures International. Organic Preparations and Procedures.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Organic Preparations and Procedures International. Newton, Mass: Organic Preparations and Procedures, 1969.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Organic Preparations and Procedures International. Organic Preparations and Procedures, 1969.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.