APA引文

Pancras, H. (1991). Field Evaluation of Ammonia Volatilisation Loss from Urea and its Control Using Urease Inhibitors and Soluble Salts.

Chicago Style (17th ed.) Citation

Pancras, Helen. Field Evaluation of Ammonia Volatilisation Loss from Urea and Its Control Using Urease Inhibitors and Soluble Salts. 1991.

MLA引文

Pancras, Helen. Field Evaluation of Ammonia Volatilisation Loss from Urea and Its Control Using Urease Inhibitors and Soluble Salts. 1991.

警告：這些引文格式不一定是100％准確.