APA aipamena

CROCKETT, J. U. Trees: The time-life encyclopedia of gardening. Time-Life Books Alexandria.

Chicago Style aipamena

CROCKETT, James Underwood. Trees: The Time-life Encyclopedia of Gardening. Time-Life Books Alexandria.

MLA aipamena

CROCKETT, James Underwood. Trees: The Time-life Encyclopedia of Gardening. Time-Life Books Alexandria.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.