APA
Vanaga V, Ahmad Mohd Rawian, Kow Phang Ah & Shahabuddin Mohd Yusoff. (1987). Advantages of controlled upward tapping. : Planters Bulletin.
Chicago
Vanaga V, Ahmad Mohd Rawian, Kow Phang Ah and Shahabuddin Mohd Yusoff. 1987. Advantages of controlled upward tapping. : Planters Bulletin.
Harvard
Vanaga V, Ahmad Mohd Rawian, Kow Phang Ah and Shahabuddin Mohd Yusoff. (1987). Advantages of controlled upward tapping. : Planters Bulletin.
MLA
Vanaga V, Ahmad Mohd Rawian, Kow Phang Ah and Shahabuddin Mohd Yusoff. Advantages of controlled upward tapping. : Planters Bulletin. 1987.
