Παραπομπή APA

Gokel, G. W. (1991). Crown ethers and cryptands. Royal Society of Chemistry.

Παραπομπή Chicago Style

Gokel, George W. Crown Ethers and Cryptands. Cambridge: Royal Society of Chemistry, 1991.

Παραπομπή MLA

Gokel, George W. Crown Ethers and Cryptands. Royal Society of Chemistry, 1991.