Gaya APA

Krupa, Sagar V.. (1997). Air Pollution, People, and Plants: An Introduction (Ed. 1, Cet. 1). St. Paul: Amer Phytopathological Society.

Gaya Chicago

Krupa, Sagar V.. Air Pollution, People, and Plants: An Introduction. Ed. 1, Cet. 1 St. Paul: Amer Phytopathological Society, 1997. Textbook.

Gaya MLA

Krupa, Sagar V.. Air Pollution, People, and Plants: An Introduction. Ed. 1, Cet. 1 St. Paul: Amer Phytopathological Society, 1997. Textbook.

Gaya Turabian

Krupa, Sagar V.. Air Pollution, People, and Plants: An Introduction. Ed. 1, Cet. 1 St. Paul: Amer Phytopathological Society, 1997. Textbook.