IKPO, J. I. (2006). Building maintenance. Sedyn Publishers.
Chicagoスタイル(17版)引用形式IKPO, Johnson Ime. Building Maintenance. Sedyn Publishers, 2006.
MLA(9版)引用形式IKPO, Johnson Ime. Building Maintenance. Sedyn Publishers, 2006.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式