Dyfyniad APA

Sáenz, J. A., Nassar, M., & Sáenz Gómez, V. (1981). Phytochemical screening of Costa Rican plants: Alkaloid analysis. VI.

Dyfyniad Arddull Chicago

Sáenz, J. A., Maryssia Nassar, y Vera Sáenz Gómez. Phytochemical Screening of Costa Rican Plants: Alkaloid Analysis. VI. 1981.

Dyfyniad MLA

Sáenz, J. A., Maryssia Nassar, y Vera Sáenz Gómez. Phytochemical Screening of Costa Rican Plants: Alkaloid Analysis. VI. 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.