CATIE, T. (. R. G., & Beer, J. (1990). Technical Cooperation between the Government of the Republic of the Philippines and the Federal Republic of Germany RP-German Dipterocarp Forest Management Project PN: 88.2047.4.
استشهاد بنمط شيكاغوCATIE, Turrialba (Costa Rica). GTZ., و J. Beer. Technical Cooperation between the Government of the Republic of the Philippines and the Federal Republic of Germany RP-German Dipterocarp Forest Management Project PN: 88.2047.4. 1990.
MLA استشهادCATIE, Turrialba (Costa Rica). GTZ., و J. Beer. Technical Cooperation between the Government of the Republic of the Philippines and the Federal Republic of Germany RP-German Dipterocarp Forest Management Project PN: 88.2047.4. 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.