Petikan APA

Flora, D. F., McGinnis, W. J., & Lane, C. L. (1993). The export premium: Why some logs are worth more abroad. Portland, Or.: United States Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.

Petikan Gaya Chicago

Flora, Donald F., Wendy J. McGinnis, and Christine L. Lane. The Export Premium: Why Some Logs Are Worth More Abroad. Portland, Or.: United States Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1993.

Petikan MLA

Flora, Donald F., Wendy J. McGinnis, and Christine L. Lane. The Export Premium: Why Some Logs Are Worth More Abroad. Portland, Or.: United States Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1993.