APA-referens

Purwadaria, T., Sinurat, A., Haryati, T., Sutikno, I., Supriyati, & Dharma, J. (1998). The correlation between mannanase and cellulase activities towards fibre content of palm oil sludge fermented with Aspergillus niger. Pusat Penelitian dan Pengembangan Peternakan.

Chicago-stil citat

Purwadaria, T., A.P Sinurat, T. Haryati, I. Sutikno, Supriyati, och J. Dharma. The Correlation between Mannanase and Cellulase Activities Towards Fibre Content of Palm Oil Sludge Fermented With Aspergillus Niger. Pusat Penelitian dan Pengembangan Peternakan, 1998.

MLA-referens

Purwadaria, T., et al. The Correlation between Mannanase and Cellulase Activities Towards Fibre Content of Palm Oil Sludge Fermented With Aspergillus Niger. Pusat Penelitian dan Pengembangan Peternakan, 1998.

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