Não informado. (1984). Classical and Quantum Gravity. Institute of Physics.
Chicagoスタイル(17版)引用形式Não informado. Classical and Quantum Gravity. Bristol, Inglaterra: Institute of Physics, 1984.
MLA(8版)引用形式Não informado. Classical and Quantum Gravity. Institute of Physics, 1984.
警告: この引用は必ずしも正確ではありません.