GIRAUD T, PEDERSEN J S, KELLER L, 2002. Evolution of supercolonies: the Argentine ants of Southern Europe. Proceedings of the National Academy of Sciences of the United States of America, 99: 6075-6079.
〖专著〗
著者,出版年. 书名.版次(第1版不标注).出版地:出版者.
PIELOU E C, 1969. An introduction to mathematical ecology. New York: Wiley Interscience.
PYSEK P, 1995, On the terminology used in plant invasion studies//PYSEK P, PRACH K, REJMANEK M, WADE M. Plant invasions: general aspects and special problems. Amsterdam: SPB Academic Publishing: 71-81.