Schroeder, L. M. (1988). Host recognition in Tomicus piniperda (Coleoptera, Scolytidae) and other bark beetles attacking Scots pine. Division of Forest Entomology, Dept. of Plant and Forest Protection, Swedish University of Agricultural Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchroeder, Leif Martin. Host Recognition in Tomicus Piniperda (Coleoptera, Scolytidae) and Other Bark Beetles Attacking Scots Pine. Uppsala: Division of Forest Entomology, Dept. of Plant and Forest Protection, Swedish University of Agricultural Sciences, 1988.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchroeder, Leif Martin. Host Recognition in Tomicus Piniperda (Coleoptera, Scolytidae) and Other Bark Beetles Attacking Scots Pine. Division of Forest Entomology, Dept. of Plant and Forest Protection, Swedish University of Agricultural Sciences, 1988.