APA (7th ed.) Citation

GYEKIS. (1967). Upper Perak district, Perak. Forest Research Institute, Forest Department.

Chicago Style (17th ed.) Citation

GYEKIS. Upper Perak District, Perak. Kuala Lumpur: Forest Research Institute, Forest Department, 1967.

MLA (9th ed.) Citation

GYEKIS. Upper Perak District, Perak. Forest Research Institute, Forest Department, 1967.

Warning: These citations may not always be 100% accurate.