APA引文

Howe, T. S., Billings, S., & Stolzberg, R. J. Sources of polycyclic aromatic hydrocarbons and hexachlorobenzene in spruce needles of Eastern Alaska.

Trích dẫn kiểu Chicago

Howe, Timothy S., Shane Billings, và Richard J. Stolzberg. Sources of Polycyclic Aromatic Hydrocarbons and Hexachlorobenzene in Spruce Needles of Eastern Alaska.

MLA引文

Howe, Timothy S., Shane Billings, và Richard J. Stolzberg. Sources of Polycyclic Aromatic Hydrocarbons and Hexachlorobenzene in Spruce Needles of Eastern Alaska.