APA-referens (7:e uppl.)

Croon, I. (1960). The distribution of substituents in cellulose ethers. n.p..

Chicago-referens (17:e uppl.)

Croon, Ingemar. The Distribution of Substituents in Cellulose Ethers. [Stockholm?: n.p., 1960.

MLA-referens (8:e uppl.)

Croon, Ingemar. The Distribution of Substituents in Cellulose Ethers. n.p., 1960.