Gaya APA

Widyatmoko, Didik. (1998). The Flora of Bukit Tigapuluh National park, kerumutan sanctuary and Mahato protective reserve, Riau, Indonesia . Jakarta: yayasan Sosial Chevron dan Texaco Indonesia.

Gaya Chicago

Widyatmoko, Didik. The Flora of Bukit Tigapuluh National park, kerumutan sanctuary and Mahato protective reserve, Riau, Indonesia. Jakarta: yayasan Sosial Chevron dan Texaco Indonesia, 1998. Text.

Gaya MLA

Widyatmoko, Didik. The Flora of Bukit Tigapuluh National park, kerumutan sanctuary and Mahato protective reserve, Riau, Indonesia. Jakarta: yayasan Sosial Chevron dan Texaco Indonesia, 1998. Text.

Gaya Turabian

Widyatmoko, Didik. The Flora of Bukit Tigapuluh National park, kerumutan sanctuary and Mahato protective reserve, Riau, Indonesia. Jakarta: yayasan Sosial Chevron dan Texaco Indonesia, 1998. Print.