APA引用形式

Quirós Vargas, R. (2017). Proposal of an instrument for the qualification, registration and certification of environmental consultants: Case study of Costa Rica.

シカゴスタイル引用形

Quirós Vargas, Roberto. Proposal of an Instrument for the Qualification, Registration and Certification of Environmental Consultants: Case Study of Costa Rica. 2017.

MLA引用形式

Quirós Vargas, Roberto. Proposal of an Instrument for the Qualification, Registration and Certification of Environmental Consultants: Case Study of Costa Rica. 2017.

警告: この引用は必ずしも正確ではありません.