Ewins, P., Ewins, P., & Perrins, C. (1986). The ecology of black guillemots Cepphus grylle in Shetland.
Chicagoスタイル(17版)引用形式Ewins, P., Pete Ewins, , C. Perrins. The Ecology of Black Guillemots Cepphus Grylle in Shetland. 1986.
MLA(9版)引用形式Ewins, P., et al. The Ecology of Black Guillemots Cepphus Grylle in Shetland. 1986.
警告: この引用は必ずしも正確ではありません.