Cita APA (7th ed.)

Harder, J. F. Investigation of chromium, copper, iron, lead, zinc, and nickel levels in some aquatic organisms in Iloilo City.

Cita Chicago (17th ed.)

Harder, Jerome F. Investigation of Chromium, Copper, Iron, Lead, Zinc, and Nickel Levels in Some Aquatic Organisms in Iloilo City. 2004.

Cita MLA (9th ed.)

Harder, Jerome F. Investigation of Chromium, Copper, Iron, Lead, Zinc, and Nickel Levels in Some Aquatic Organisms in Iloilo City.